Kōgyō shūseki to daitoshi mondai
By: Sasao Hitoshi kōen
Contributors: Tokyo (Japan). Kikaku Chōseikyoku. Kikaku Chōsashitsu
Publisher: Tōkyō-to Kikaku Chōseikyoku Kikaku Chōsashitsu
Published: 1968
Place of publication: [Tokyo]
Language: jpn
Number of pages: 41
Notes: Cover title.

"Kikaku chōsa shiryō no. 28."