Er tong fu li yan jiu bao gao (chu gao)
By: She hui bu yan jiu shi bian
Series: She hui bu yan jiu shi yan jiu bao gao -- 1; She hui bu yan jiu shi yan jiu bao gao -- 1.
Publisher: She hui bu yan jiu shi
Published: 1942
Place of publication: Chongqing
Language: chi
Number of pages: 116
Subjects: Child welfare