Igo kzōza
By: Nihon Hōsō Kyōkai hen
Series: Rajio tekisuto; NHK rajio tekisuto
Publisher: Nihon Hōsō Shuppan Kyōkai
Published: 1949
Place of publication: Tōkyō
Language: jpn
Number of pages: 15
Notes: Vols. 7-15 have title: NHK igo kōza.