Ren kou gai lun
By: Yang Deqing ... [et al.].
Contributors: Yang, Deqing.
Edition: Di 1 ban.
Publisher: Hebei ren min chu ban she; Hebei sheng xin hua shu dian fa xing
Published: 1979
Place of publication: Shijiajiang
Language: chi
Number of pages: 178
Subjects: China -- Population.
Notes: Includes bibliographical references.