Tosi wa nongchʻong hwanʼgyŏng wisaeng haengjŏng ŭi panghyang
Contributors: Chŏn, Wŏn-bae, editor
Publisher: Pogŏn Sahoebu Hwanʼgyŏng Wisaengkwa
Published: 1968
Place of publication: [Sŏul]
Language: kor
Number of pages: 177
Subjects: Public Hygiene