Nobunori Ishizaki

1948

• Kenkō kanri tō no hōritsu jitsumu
• Chingin kisei kettei no hōritsu jitsumu
• Chōkaiken kōshi no hōritsu jitsumu
• Hi seiki shain no hōritsu jitsumu
• Rippō purosesu kara yomitoku rōdō keiyakuhō
• Rōdō gyōsei taiō no hōritsu jitsumu
• Rōdō shinpanhō
• Shūgyō kisoku no hōritsu jitsumu