Nihon Shakai Fukushishikai

• Shakai fukushishi jissen jireishū
• Yōgosha ni yoru kōreisha gyakutai taiō no hyōjunka no tame no manyuaru sakutei narabi ni shisetsu jūjisha ni yoru gyakutai taiō no jittai chōsa oyobi taiō shisutemu no arikata ni kansuru kenkyū