Tokyo (Japan). Shakaikyoku. Shomuka

• Hikyūgosha ni kansuru chōsa
• Hikyūgosha ni kansuru chōsa
• Shakaikyoku kankei jimu gaiyō
• Shōgaku jidō shisō oyobi dokusho keikō chōsa
• Terajima Shiminkan o chūshin to suru kankyō chōsa