Health.

Manylion Llyfryddiaeth
Awdur Corfforaethol:	International Bank for Reconstruction and Development
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Washington, D.C. World Bank 1980
Rhifyn:	2nd ed.
Cyfres:	Sector policy paper
Pynciau:	Hygiene, Public. Health > Underdeveloped areas.