Singnyo wisaeng
By: [chŏja Han Tŏk-chʻi].
Publisher: Kwahak, Paekkwa Sajŏn Chʻulpʻansa
Published: 1984
Place of publication: [Pʻyŏngyang]
Language: kor
Number of pages: 371
Subjects: Food industry and trade -- Sanitation.