Fukushi Netto Kōenkai. Shokugyō Nōryoku Jittai Chōsa Jikkō Iinkai

• Shūrō kunren jigyōsho ni zaisekisuru shōgaisha no shokugyō nōryoku to jigyōsho ga torikumu shokugyō nōryoku kōjō to keiei taishitsu kyōka no chōsa