Kajok kyehoek saŏp ŭi siltʻae chosa mit kŭ ŭi hyoyul hyangsang pangan e kwanhan chosa yŏnʼgu
Publisher: Inʼgu Munje Yŏnʼguso
Published: 1970
Place of publication: [Sŏul]
Language: kor
Number of pages: 195
Subjects: Birth control