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상상스퀘어_데이터분석가_포트폴리오_조대희

 상상스퀘어_데이터분석가_포트폴리오_조대희

조대희

March 12, 2024
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  1. • ೐۽ࣁझ ੹୓ ௑బஎ ழܻ௺ۢ 3 ೐ܻےࢲ : ؘ੉ఠ ੹߈

    ৡۄੋҮਭ ߂ B2B Үਭ௑బஎ ઁ੘ ૓೯ • ೐۽ં౟ ࢸݺ • ӝр : 2023.6 ~ 2023.11 • ౱ : ҮਭPM 1ݺ, ೐ܻےࢲ 1ݺ(ࠄੋ) • ৉ೡ : ೐ܻےࢲ • Үਭ ௑బஎ ઁ੘(৔࢚੗ܐ, ఫझ౟੗ܐ) • Үਭ ௑బஎ ӝળਸ ਤೠ B2B ഈস ૓೯ • ӝৈ : ௑బஎ ઁ੘ 66% ୡҗ ׳ࢿ • झఆ : ؘ੉ఠ ࠙ࢳ, ূ૑פয݂, Python, PostgreSQL, MLops basic, ೐܁೐౟ ূ૑ פয݂ ఫझ౟੗ܐ + ৔࢚੗ܐ ؘ੉ఠ ࠙ࢳ ؘ੉ఠ ূ૑פয݂ ౵੉ॆ ӝࠄ SQL MLops basic • ࢚ࣁࢸݺ • ؘ੉ఠ࠙ࢳਸ ਤೠ ؘ੉ఠ ূ૑פয݂ B2B Үਭ ௑బஎ ৔࢚ ߂ ఫझ౟ ੗ܐ ઁ੘৮ܐ • ৔࢚੗ܐ : 10दр੉࢚, ఫझ౟੗ܐ 20दр੉࢚
  2. 5 FIET : ೾झாয জ नӏ ۠ட ߂ Ҋё ೯ز

    ؘ੉ఠ ࠙ࢳ • ೐۽ં౟ ࢸݺ • ӝр : 2023.2 ~ 2023.6 • ౱ : BI Team Leader 1ݺ, Senior Data Analyst 1ݺ(ࠄੋ), Data Analyst 1ݺ • ৉ೡ : Senior Data Analyst • ೐۽؋౟౱(PM, ٣੗ੋ, জѐߊ) ઺बਵ۽ ഈস • জ ղ ੉ఎ ߂ ࣻ੊ ਃੋ ࠙ࢳ • ӝৈ : ࢎ੹Ҋёҗ੄ ࠺Ү࠙ࢳਸ ాೠ জ ղ Ҋё ੤ߑޙਯ 5% ѐࢶ • झఆ : Google BigQuery, Tableau, DataRobot, Python • ࢚ࣁࢸݺ • জ ҳز द ҳр݃׮ ࣘبী ৔ೱ ઱ח ਃࣗ ౵ঈ • ೧׼ ਃࣗী ؀೧ Ҋё੄ ࢎਊ࠼ب ౵ঈ • ࢎਊ࠼بী ٮۄ ೐۽؋౟౱җ ഈ੄ റ UI/UX ߸҃ • ೐۽ࣁझ inputч outputч ਍ز/धױ/୓઺ … ୭ઙ outputө૑ җ੿੉ 30ѐ ੉࢚੄ ࢸޙઑࢎо ૓೯ؽ
  3. 6 FIET : ݠन۞׬ӝ߈ धױ ୶ୌ ঌҊ્ܻ ѐߊ • ೐۽ં౟

    ࢸݺ • ӝр : 2023.2 ~ 2023.6 • ౱ : BI Team Leader 1ݺ, Senior Data Analyst 1ݺ(ࠄੋ) • ৉ೡ : Senior Data Analyst • ೐۽؋౟౱(PM, ௏஖, ߔূ٘, জѐߊ) ઺बਵ۽ ഈস • ӝৈ : জ ղ धױӝמ Ҋё੉ఎܫ 20% ѐࢶ • झఆ : Google BigQuery, Python, DataRobot, Google Sheets • ೐۽ࣁझ (1) ః, ୓઺, ա੉ Input (2-1)DataRobot(ML Tool) (2-2)؀୓ ࣻध Ex. పझ౟ ࣻध : (input1+input2+input3) / input4*input5 (3)ML৘ஏؘ੉ఠ ߔূ٘ DBࢲߡী ੷੢ (4)धױ҅࢑۽૒ ѐࢶ (5)Ҋёݏ୺ धױ ୶ୌ Output ೐۽؋౟౱(ߔূ٘)ী ѐࢶػ ۽૒ਸ ׸਷ ࣗझ௏٘ ੹׳ • ࢚ࣁࢸݺ • জী ੑ۱ػ ࢎਊ੗ ؘ੉ఠܳ ӝ߈ਵ۽ ঌҊܻ ્ ѐߊ • ޖ੘ਤ धױ୶ୌীࢲ ࢎਊ੗ ੸੿ धױ ୶ୌਸ ਤೠ ঌҊ્ܻ ѐߊ • ӝઓ ݠन۞׬ ోҗ ౵੉ॆ ѐࢶ۽૒ਸ ࠺Ү
  4. 7 FIET : Ҋё߹ ੉߮౟ ࢸޙઑࢎ ૓೯ ߂ ࠙ࢳ •

    ೐۽ં౟ ࢸݺ • ӝр : 2023.2 ~ 2023.6 • ౱ : BI౱ ੹୓ • ৉ೡ : Senior Data Analyst • ೐۽؋౟౱(PM, ݃ா౴) ઺बਵ۽ ഈস • ࢸޙ ؘ੉ఠ ࠙ࢳਸ ాೠ জ ղ नӏҊёҗ ӝઓҊ ё੄ ഝز ࠺Ү࠙ࢳ • ӝৈ : ੉߮౟ܳ ా೧ नӏҊё 20% ૐо • झఆ : Google BigQuery, Python, Google Sheets • ೐۽ࣁझ (1) ੉޷૑ ؘ੉ఠ ࠙ࢳ (2) ࢶఖ૑ ؘ੉ఠ ࠙ࢳ • ࢚ࣁࢸݺ • ੉߮౟ܳ ా೧ ੉޷૑৬ ࢶఖ૑ ؘ੉ఠ ࣻ૘ • ࢎਊ੗о ੑ۱ೠ ੉޷૑ ؘ੉ఠ ղীࢲ ౠ੿ ੿ ࠁܳ ਋ࢶࣽਤী ݏѱ ࠙ܨೞৈ ࠙ࢳ • ࢎਊ੗ ೯زী ݏب۾ ҳࢿػ ࢶఖ૑ ؘ੉ఠܳ ӝ߈ਵ۽ ୶о੸ਵ۽ ݃ா౴ ૓೯
  5. 8 FIET : ౱ ղ ௪ܻ ߂ ؀दࠁ٘ ୭੸ച /

    ࢎղ Үਭ૓೯ • ೐۽ં౟ ࢸݺ • ӝр : 2023.2 ~ 2023.6 • ౱ : BI Team Leader 1ݺ, Senior Data Analyst 1ݺ(ࠄੋ), Data Analyst 1ݺ • ৉ೡ : Senior Data Analyst • ౱ ղ ௪ܻܳ ஠పҊܻ߹۽ ా೤ • క࠶۽ ؀दࠁ٘ 30ৈѐ জ ӝמ߹۽ ୭੸ച • ౱ীࢲ ੗઱ ॳ੉ח ࠻௪ܻ Үਭ૓೯ • ӝৈ : ୭੸ച ߂ Үਭਸ ాೠ সޖࢤ࢑ࢿ 30% ૐо • झఆ : Google BigQuery, Tableau, Google Sheets • ೐۽ࣁझ • ࢚ࣁࢸݺ • ࠻௪ܻ ҕधޙࢲ৬ ୁ૑ೖ౭ܳ ഝਊೞৈ ੗઱ ॳ ח ௪ܻ ੿ܻ • unionػ క࠶۽ܳ জӝמ ߹۽ ୭੸ച • ҳӖ द౟৬ ҳӖ ٘ۄ੉࠳ী ௪ܻ৬ క࠶۽ ౵ ੌ ੿ܻ ࠻௪ܻ ҕधޙࢲ ଵઑ ୁ૑ೖ౭ ഝਊ ҳӖ٘ۄ੉࠳ ղ ా೤
  6. 10 ௏٘झప੉எ : ࣻъࢤ ૑಴ ؘ੉ఠ ࠙ࢳ • ೐۽ં౟ ࢸݺ

    • ӝр : 2022.3 ~ 2023.2 • ౱ : Learning Architect 3ݺ, Lead(ࠄੋ) • ৉ೡ : Learning Architect Lead • ࣻъࢤ ೟ण ݾ಴ী ৔ೱਸ ઱ח ೨ब૑಴ࢶ੿ • ૑಴ী ٮܲ ؀दࠁ٘ ӝദ • ؀दࠁ٘ ઁ੘ • ӝৈ : Ҋё ਍৔ҙܻ ੗ਗ(दр, ੋѤ࠺) 30% ੺х • झఆ : Google Looker Studio, Python, Google Sheets • ೐۽ࣁझ • ࢚ࣁࢸݺ • Ҋё ਍৔ҙܻ द ౱ਗ߹ ಕੋನੋ౟ ߊѼ • ࡅܲ Ҋё ҙܻܳ ਤೠ ؀दࠁ٘ ӝദ • ૑ࣘ੸ੋ ؀दࠁ٘ সؘ੉౟ܳ ా೧, ࢎղ ؀द ࠁ٘۽ ഝਊ ઙ೤ ؀दࠁ٘ ઁ੘ ࢚ࣁ ؀दࠁ٘ ઁ੘ Ҋё ౟ېఊ ؀दࠁ٘ ઁ੘
  7. 11 ௏٘झప੉எ : ੋҕ૑מ ߂ ؘ੉ఠ ૒ޖܳ ਤೠ ௑బஎ ઁ੘

    ߂ ௏ட • ೐۽ં౟ ࢸݺ • ӝр : 2020.10 ~ 2023.2 • ౱ : Learning Architect 5ݺ, Lead(ࠄੋ) • ৉ೡ : Learning Architect Lead • ௑బஎ ઁ੘ • Ҋё ૒੽ ௏ட • ࣻъࢤ ஂস௏ட • ӝৈ : Ҋё݅઒ب 85% ੉࢚ ਬ૑ • झఆ : Coaching, In-house LMS, Python, SQL • ೐۽ࣁझ • ࢚ࣁࢸݺ • Computer Science(౵੉ॆਸ ഝਊೠ ੗ܐҳ ઑ ߂ ঌҊ્ܻ) ௑బஎ ઁ੘ ߂ ௏ட • Data Engineering(ਢ, SQL, ؀दࠁ٘, API ١) ௑బஎ ઁ੘ • ੋఢ ߂ नӏੑࢎ੗ܳ ਤೠ ֢࣌ਸ ઱୷ਵ۽ ௏ட दझమ ҳ୷ • ౱ ղ ‘ؘ੉ఠ ةࢲݽ੐’ ਍৔ ௑బஎ ఃਕ٘ ࢶ੿ ௑బஎ ࣁࠗ ழܻ௺ۢ ઁ੘ ௏ட ߂ ௑బஎ ࣁࠗ ઁ੘ਸ ਤೠ ࢎղ ਤః दझమ ҳ୷
  8. 12 ௏٘झప੉எ : ౱ ղ ؘ੉ఠ ࣻ૘ ߂ ੌਗച ੘স

    • ೐۽ં౟ ࢸݺ • ӝр : 2021.6 ~ 2022.3 • ౱ : Learning Architect 3ݺ, Lead(ࠄੋ) • ৉ೡ : Learning Architect Lead • ؘ੉ఠ ੌਗച ӝദ • ࣻز ؘ੉ఠ ੹୊ܻ • ؘ੉ఠ োز੘স • ӝৈ : ࢎղ ؘ੉ఠҙ۲ সޖ୊ܻࣘب 50% ૐо • झఆ : Google Looker Studio, Python, AWS Redshift, AWS EC2, AWS S3, Google Sheets, Typeform • ೐۽ࣁझ • ࢚ࣁࢸݺ • Typeform(ࢸޙઑࢎ) ోҗ Google Sheets োز੘স૓೯ • োزػ ؘ੉ఠܳ ࣻ૘ೞҊ ੌਗചೞӝ ਤೠ AWS ੘স • ૑ࣘ੸ੋ ੌਗച ੘স਷ पಁ റ, ࢎղ ূ૑פয ݂౱ীѱ ੋࣻੋ҅ [DB झః݃ ੘ࢿ] [ؘ੉ఠ ా೤ ױ҅] [ؘ੉ఠ ౵੉೐ۄੋ ୶࢚ച ੘স]
  9. 14 Project Profile(1) Project Name ழݠझ ਢজؘ੉ఠ ҳ୷ ߂ ࠙ࢳ

    ೐۽ં౟ Project Period 2019.11 ~ 2020.7 Team Member Account Manager 1ݺ, Analytics Engineer 1ݺ Role Analytics Engineer - ҳӖ গօܻ౮झ ߂ ࠻௪ܻ, GTMҳ୷ Skills Optimize, BigQuery, GTM, GA, DataStudio Outputs(ӝৈ੼) - ௏۽ա۽ ੋ೧ ҳݒؘ੉ఠ ߸زࢿ ࠙ࢳ - ੉߮౟ ӝр ઑ੿ ߂ ੉߮౟ ಕ੉૑ ਬੑࣻ ૐо
  10. 15 Actual Performance(1) • Google Optimizeܳ ഝਊೠ AB test •

    оࢸ : ‘য়ט ߊ࣠' ៷ ߓ࣠୹Ҋੌ ޷֢୹ • ݾ੸ : ߓ࣠ ୹Ҋੌ੉ ૊п੸ੋ ҳݒ Ѿ੿ী ৔ೱਸ ՙ஖ח૑ ഛੋ • ੘সߧਤ : ߓ࣠ 2.0 > ஠పҊܻ > ؀࠙ܨ Ӓܛ > ؀࠙ܨ • ߓ࣠ 2.0 > ஠పҊܻ > ؀࠙ܨ Ӓܛ > ؀࠙ܨ > ઺࠙ܨ • ࢚ಿױਤ ࢿҗஏ੿ਸ ਤ೧ Bigquery ؘ੉ఠܳ ࢎਊ • 1,2ରө૑੄ प೷ Ѿҗ Bউ੉ ਗࠄࠁ׮ ֢୹؀࠺ ௿ܼܫ ߂ ҳݒਯ੉ ׮ࣗ ਋ࣁೠ Ѫਵ۽ ഛੋ • Action : Bউ Ѿҗ ਋ࣁী ٮۄ ೧׼ UI۽ ߸҃ • * Bigqueryۆ? ؘ੉ఠܳ ੷੢ೞח ҕр प೷ҳ࠙ ੹ജݾ಴ ٣߄੉झ ҳ࠙ प೷ ӝр ୨ प೷ ࣁ࣌ࣻ ղੌߊ࣠ ୨ ࢚ಿ ֢୹ࣻ ղੌߊ࣠ ࢚ಿ ୨ ௿ܼࣻ ղੌߊ࣠ ࢚ಿ ୨ ҳݒࣻ ୨ ֢୹؀࠺ ௿ܼܫ ୨ ֢୹؀࠺ ҳݒਯ Aউ Bউ Aউ Bউ Aউ Bউ Aউ Bউ Aউ Bউ ղੌ ߊ࣠' ֢୹ ৈࠗ৬ ҳݒ ੹ജਯ - 1ର(95:5) ղੌߊ࣠ ࢚ಿ ௿ܼࣻ Desktop 2019.11.14 ~ 2019.11.15 16,517 930,203 49,780 1,760 119 801 21 0.19% 0.24% 0.09% 0.04% Mobile Web 2019.11.14 ~ 2019.11.15 4,251 60,340 4,394 336 33 117 2 0.56% 0.75% 0.19% 0.05% ղੌ ߊ࣠' ֢୹ ৈࠗ৬ ҳݒ ੹ജਯ - 2ର(70:30) ղੌߊ࣠ ࢚ಿ ௿ܼࣻ Desktop 2019.11.15 ~ 2019.11.17 9,170 100,473 40,672 127 65 268 159 0.13% 0.16% 0.27% 0.39% Mobile Web 2019.11.15 ~ 2019.11.17 7,492 24,545 11,331 112 53 69 34 0.46% 0.47% 0.28% 0.30%
  11. 16 Project Profile(2) Project Name Әਲ਼ ਢজؘ੉ఠ ҳ୷ ߂ ࠙ࢳ

    ೐۽ં౟ Project Period 2019.11 ~ 2020.7 Team Member Account Manager 1ݺ, Analytics Engineer 1ݺ Role Analytics Engineer - ҳӖ গօܻ౮झ ߂ ࠻௪ܻ, GTM, ؀दࠁ٘ ੤ҳ୷ (SPAജ҃) ߂ Ҋبച Skills BigQuery, GTM, GA, DataStudio Outputs - ղ৻ࠗ ࢎਊ੗ ೯زؘ੉ఠܳ ాೠ ࢎਊ੗ ੉ఎಕ੉૑ ౵ ঈ - ੉ఎࣻ ߂ ੉ఎܫਸ ాೠ नӏ ੉߮౟ ಕ੉૑ী ؀ೠ UX Ҋبച
  12. 17 Actual Performance(2) • ಌօ߹ ੉ఎഅട • ݾ੸ : ୭ઙױ҅ө૑

    ੉ఎܫҗ ੹ജਯ੄ ࢚ҙҙ҅ ౵ঈ • ಕ੉૑ ߂ ൤౟(୭ࣗ) ױਤ ؘ੉ఠ ஏ੿ਸ ਤ೧ Bigquery ߂ GA ؘ੉ఠܳ ࢎਊ • STEP3৬ STEP4 ࢎ੉੄ ੹ജܫ ഛࠁܳ ਤೠ оࢸ ౵ঈ • Action : ѐಞغח ಕ੉૑ী ؀೧ STEP 1,2੄ UI/UX ױ҅ ୷ࣗ ߂ ࢎਊ੗ ੉ఎߑ૑ܳ ਤ೧ ಕ੉૑ ѐࢶ
  13. 18 Project Profile(3) Project Name ਬా ਢজؘ੉ఠ ҳ୷ ߂ ࠙ࢳ

    ೐۽ં౟ Project Period 2019.11 ~ 2020.7 Team Member Account Manager 1ݺ, Analytics Engineer 1ݺ Role Analytics Engineer - ҳӖ গօܻ౮झ ߂ ࠻௪ܻ, GTM, BI, ؀दࠁ٘ ҳ୷ Skills BigQuery, GTM, GA, DataStudio, Firebase Outputs - ௿ܼࠗఠ ୭ઙҳݒө૑ ࢎਊ੗ ҳݒ೯ز൒ܴ ࠙ࢳਸ ా ೠ ҳݒಁఢ࠙ࢳ - ੤ҳݒ੗ ࠙ࢳਸ ాೠ ࢲ࠳࠳ے٘ށ੄ ੉߮౟ ಕ੉૑ ۽ ٬ࣘب 3% ૐо
  14. 19 Actual Performance(3) • ࣁӒݢ౟߹ ੹੗࢚Ѣې ಌօ ࠺Ү • ࠳ے٘߹

    ઁಿ ҳݒ ࣻ ߂ ࢚ಿࣻ੊ Ѩૐ • ӝр : 7/1 ~ 7/6 (ੌ઱ੌ) • Action : ࢚؀੸ਵ۽ ֫਷ ҳݒਯਸ աఋղח ࠳ے٘ী ؀೧ 
 ୶о জಹद ݫद૑ܳ ഝਊೠ ੉߮౟ ૓೯
  15. 20 Project Profile(4) Project Name ਢొ ௑బஎ ਢজؘ੉ఠ ҳ୷ ߂

    ࠙ࢳ ೐۽ં౟ Project Period 2019.11 ~ 2020.7 Team Member Account Manager 1ݺ, Analytics Engineer 1ݺ Role Analytics Engineer - ҳӖ গօܻ౮झ ߂ GTM, ২౭݃੉ૉ, ؀दࠁ٘ ҳ୷ Skills Google Optimize, GTM, GA, DataStudio Outputs - ২౭݃੉ૉܳ ഝਊೠ оࢸѨૐਸ ాೠ ݅ച ௑బஎ ҳݒ ؀ৈ ࢲ࠺झ ਬੑ ߂ ࢿҗૐ؀ - ݅ച ௑బஎ ҳݒ؀ৈ ࢲ࠺झ ੹ജਯ 16% ૐо
  16. 21 Actual Performance(4) • Google Optimizeܳ ഝਊೠ AB test •

    ੉߮౟ ಕ੉૑ ղ ੹ജߡౡ ߸҃ • അട : ݽ߄ੌਢীࢲ ӝઓ ੉߮౟ ಕ੉૑ ղ ੹ജ ߡౡ਷ [࠶ܖݠפ ୽੹ೞӝ] ߡౡ • оࢸ : ޖܐ, ೡੋ ੉߮౟ܳ ੉ਊೞӝ ਤ೧ ੉߮౟ী ਬੑೠ ࢎਊ੗ח ୽੹(Ѿઁ) ߡౡਸ ־ܰ૑ ঋਸ Ѫ੉׮. • Ѿઁ ಕ੉૑੄ ੉੹ ಕ੉૑ ҃۽ ઺ మ೒݁ ੉߮౟ ಕ੉૑ীࢲ ੉زೠ ࠺ਯ 0.74%
 -> ೧׼ ߡౡ ௿ܼ ੹ജਯ੄ ੷ઑೠ ࣻ஖ ഛੋ • Ѿҗ : ਗࠄ ؀࠺ ؀ৈ Ѥࣻ 16%(100Ѥ) ૐо ഛੋ • Action : Bউী ೧׼ೞח UI ੹୓ ӝӝ ഛ؀ e Ѣې ࣻ e ࣻ੊ Aউ Bউ Aউ Bউ 10ਘ 12ੌ 4 3 40,000 30,000 10ਘ 13ੌ 4 2 95,000 13,000 10ਘ 14ੌ 2 1 13,000 10,000 10ਘ 15ੌ 2 0 20,000 0 10ਘ 16ੌ 2 1 8,000 10,000 10ਘ 17ੌ 1 2 10,000 15,000 10ਘ 18ੌ 1 1 30,000 10,000 10ਘ 19ੌ 4 2 33,000 13,000 10ਘ 20ੌ 5 3 90,000 308,000 10ਘ 21ੌ 4 4 73,000 21,000 ೤҅ 29 19 412,000 430,000 ૐхਯ e -34% e 4%
  17. 22 Project Profile(5) Project Name AI Application ਢজؘ੉ఠ ҳ୷ ߂

    ࠙ࢳ ೐۽ં౟ Project Period 2019.9 ~ 2020.7 Team Member Account Manager 1ݺ, Analytics Engineer 1ݺ Role Analytics Engineer - ҳӖ গօܻ౮झ ߂ ࠻௪ܻ ഝਊೠ ؀दࠁ٘ ҳ୷ Skills BigQuery, DataStudio, GTM, GA Outputs - ؀दࠁ٘ ҳ୷ਸ ాೠ ઱ਃ ࢲ࠺झ੄ ഝਊب ౵ঈ - ࢎਊ੗੄ ৡۄੋ ೯ز൒ܴ ب୹ - ҟҊݒ୓ ӝৈب ࠙ࢳਸ ాೠ ҟҊ࠺ 10% ੺х
  18. 23 Actual Performance(5) ૑৉߹/दр؀߹ ࢎਊ੗ ੉ਊ୶੉ ࢎਊ੗߹ জ/ಕ੉૑ ੉ਊ୶੉ ਬੑѨ࢝য/੉߮౟

    ߑޙ୶੉ नӏ ࢲ࠺झ ഛ ੢ਸ ਤೠ ਬੑ /੉ఎ/
 ੹ജ ಁఢ౵ঈ
  19. 25 Project Profile Project Name ೠҴ੹۱ҕࢎ BI ҳ୷ Project Period

    2018.9 ~ 2019.1 Team Member PM 1ݺ, Data Solution Analyst 2ݺ Role Data Solution Analyst - Tableau दпച ోਸ ഝਊೠ ؀दࠁ٘ ѐߊ - ೐۽ં౟ ੹୓ ૓೯(࠙ࢳ, ࢸ҅, ѐߊ, పझ౟) - ೠҴ੹۱ҕࢎ ؘ੉ఠ ҙܻ Skills Tableau, MySQL, Excel Outputs - 4ѐ ࠄࢎ߹ ೠҴ੹۱ҕࢎ BI ҳ୷
  20. 28 Project dashboard details(3) Web Side Tableau Side ❖ ੗୓

    ਢࢎ੉౟ী క࠶۽(ࣛܖ࣌) োز੘স