Chen, Pi-Chao. <br/><br/>
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. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Birth control -- China.
<br/><br/><label>Dewey Class. No.: </label>363.96 CHE