Uri ŭi hyŏpcho saenghwal =
Subtitle: Working together.
Publisher: s.n.]
Published: 1953
Place of publication: [S.l
Language: kor
Number of pages: 115
Other titles: Working together
Notes: "Che-2 chʻongsŏ Kongdong saenghwal : Kyosu tanwi che 11-ho."

Hanʼguk Kyogwasŏ Changsŏ (Library of Congress)