Kōshasai shijōron
Subtitle: denshin denwa saiken o chūshin to suru waga kuni kōshasai shijō no kenkyū
By: Okuda Kōichi cho
Edition: Dai 1-han
Publisher: Nohon Hyōronsha
Published: 1957
Place of publication: Tōkyō
Language: jpn
Number of pages: 411