Population Center Foundation 74-75.

Manylion Llyfryddiaeth
Awdur Corfforaethol:	Population Center Foundation. Information and Research Utilization Division. Publications Projects Staff
Fformat:	Llyfr
Iaith:	Saesneg
Cyhoeddwyd:	Manila National Media Production Center [1976n]
Pynciau:	Population Center Foundation.