Chʻongmyŏnghan ai rŭl kʻiugi wihan myoryŏng
By: chippʻil Son Mu-gŭn, Yu Chʻŏng-hŭi
Contributors: Yu, Chʻŏng-hŭi
Publisher: Chosŏn Chʻulpʻanmul Kyoryu Hyŏphoe
Published: 1998
Place of publication: Pʻyŏngyang
Language: kor
Subjects: Infants; Development; Child rearing