by Somphong Shevasunt and Dennis P. Hogan ; northern Thailand fertility study contributors, Prasert Bhandhachat .. [et al.]Community and Family Study Center, University of Chicago1979
Associación Pro-Bienestar de la Familia Guatemala and Community and Family Study Center, the University of Chicago ; Jane T. Bertrand, Maria Antonieta Pineda, Fidel Enrique SotoCommunity and Family Study Centerc1978