Field visit to Bulacan province on August 18, 1960 by the Representatives of the Eleventh Regional Committee for the WHO Western Pacific Region.

Bibliografische gegevens
Coauteur: Regional Committee for the WHO Western Pacific Region, 11th
Formaat: Boek
Taal:English
Gepubliceerd in: [Manila Division of Health Education, Dept. of Health 1960n]