8c6c1f0c4c41d0640ade76bd71e9e475?s=128

Hiroto YAMAKAWA

gishi_yama

Java User Group Hokkaido #JavaDo Leader, IoTLT Sapporo Staff. R&D: Computers in Education, ICT, Programmer Education. Love:#Java #ApacheWicket #MobProgramming #codeSpark

https://sites.google.com/site/cistyamakawa/