Zen yang dang ma ma
By: Lang Jinghe, Wan Fang deng zhu.
Contributors: Lang, Jinghe.; Wan, Fang.
Edition: Di 1 ban
Publisher: Tianjin ke xue ji shu chu ban she; Tianjin shi xin hua shu dian fa xing
Published: 1981
Place of publication: Tianjin Shi
Language: chi
Number of pages: 162
Subjects: Child rearing.; Infants -- Care and hygiene.