Tsūshin gakuri
Subtitle: zen
Publisher: Kyōiku Sōkanbu
Published: 1941
Place of publication: [Tokyo
Language: jpn
Notes: Title from title piece mounted on cover.
Table of contents: title: dai 1-hen. Denjikigaku; title: dai 2-hen. Yūsen tsūshin; title: dai 3-hen. Musen tsūshin; title: dai 4-hen. Dengen oyobi hatsudōki.