People : an international choice the multilateral approach to population /
by Rafael M. Salas.
- Oxford : Pergamon P., 1976.
- xv, 154 p., [20] pages of plates : ills., graphs, photos.
- (Pergamon international library of science, technology, engineering and social studies) .
0080210295 (pbk.)
United Nations Fund for Population Activities. United Nations--Population assistance.