Sangyō Keizai Kenkyūjo

• Dai Tōa-ken no kōgyōen chōsa
• Dai Tōa-ken shokuryō taisaku to seifun kōgyō
• Denki ryōkin chōsa
• Denkyoku kōgyō no genjō chōsa
• Garasu kōgyō ni kansuru chōsa
• Hiryō zōsan no kisoteki shojōken
• Kari hiryō no chōsa
• Menka to mensaku no chōsa
• Nanpō shigen to kaihatsu jōkyō chōsa
• Parupu kōgyō no saichōsa
• Saihensei katei no bōsekigyō
• Sangyō kōdoka to tōsei kikō no shihyō