3f888f37c135a32fb6793d20867f63c6?s=128

Hiroto YAMAKAWA

gishi_yama

Java User Group Hokkaido Leader #JavaDo, IoTLT Sapporo Staff. R&D: Computers in Education, Experimental Development Using ICT. Love: #Java #ApacheWicket #PostgreSQL

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