Kyosu yogang
Subtitle: chung, kogŭp hakkyo.
Contributors: Korea (North). Kyoyuksŏng.
Publisher: Hagu Sŏbang
Published: 1956
Place of publication: Tonggyŏng
Language: kor
Number of pages: 68
Notes: Cover title.

Originally published by Konghwaguk Kyoyuksŏng in 1955.

Hanʼguk Kyogwasŏ Changsŏ (Library of Congress)