Population education psychological, sociological, biological, anthropological - Sanchez, Custodiosa Ancheta ([Manila] National Book Store, 1976)
Printer's error : p. [136]-[137], [140]-[141], [144]-[145], [148]-[149], [152]-[153], [156]-[157], [160]-[161], [164]-[165], blank.
Keywords: Population -- Study and teaching -- Philippines