China's population program at the grassroots level : report on a field trip, Summer 1972 /
Chen, Pi-Chao.
China's population program at the grassroots level : report on a field trip, Summer 1972 / Pi-Chao Chen. - Pasadena : California Institute of Technology, 1973. - 24 p. ; 23 cm.
Birth control -- China.
363.96 CHE
China's population program at the grassroots level : report on a field trip, Summer 1972 / Pi-Chao Chen. - Pasadena : California Institute of Technology, 1973. - 24 p. ; 23 cm.
Birth control -- China.
363.96 CHE