Haksaeng kisaengchʻung kŏmsa tʻonggye. Chʻonggwal pʻyŏn
Subtitle: 1981-yŏndo chʻugi= Statistics of mass stool examination & mass treatment against parasitic infections among various school students : the summarized results of autumn examination, 1981.
Publisher: Hanʼguk Kisaengchʻung Pangmyŏl Hyŏphoe
Published: 1982
Language: kor
Number of pages: 251