Nihon Shokugyō Kyōkai

• Arubaitā no koyō kanri tō ni kansuru chōsa kenkyū hōkokusho
• Chūshō kigyō ni okeru haken rōdōsha no katsuyō ni kansuru chōsa kenkyū hōkokusho
• Henkei kinmusei (furekkusu taimu kinmusei, zaitaku kinmusei, sateraito ofisu kinmusei) ni tsuite no chōsa kenkyū hōkokusho
• Nyū bijinesu (tai jigyōsho sābisu) ni okeru koyō kanri tō ni kansuru chōsa kenkyū hōkokusho
• Nyū bijinesu (tai kojin sābisu) ni okeru koyō kanri tō ni kansuru chōsa kenkyū hōkokusho