Hiyatoi roudousha no shippei shougai ni kansuru chousa

Hiyatoi roudousha chousa

Hiyatoi roudousha no nikki

Hiyatoi roudousha no nikki

Jiyuu roudousha ni kansuru chousa

日傭労働者の疾病傷害に関する調査

Doitsukoku roudousha hoken ni kansuru chousa houkoku

Koufu saigai oyobi shishou byousha ni kansuru chousa

Koufu no saigai oyobi shishou byousha ni kansuru chousa

Honpou nougyou no gaikyou oyobi nougyou roudousha ni kansuru chousa

Zenkoku shihan gakkou ni okeru honka seito no shippei ni kansuru chousa

Koufu no saigai shishou byousha oyobi fujo ni kansuru chousa

Roudou kyouiku ni kansuru chousa

Zai guatemarakoku waga roudousha jijou chousa ni kansuru houkoku

Shounen roumusha ni kansuru chousa

Genka wagakuni ni okeru hiyatoi roudousha kyousai shisetsu gaikyou

Furousha ni kansuru chousa suijou seikatsusha ni kansuru chousa

Roudou jikan ni kansuru chousa

Roudou kyouyaku ni kansuru chousa shiryou

Roudou kyouyaku ni kansuru chousa shiryou

Nashigaichuu ni kansuru chousa

Nashigaichuu ni kansuru chousa

Nashigaichuu ni kansuru chousa

Furousha ni kansuru chousa jidou renkou no kojiki ni kansuru chousa

Inasaku sagyoubetsu roudou ni kansuru chousa