A water sterilization study in the Philippines.

A water sterilization study in the Philippines.

Bibliografiske detaljer
Institution som forfatter: Philippines. National Pollution Control Commission
Format: Visual Material
Sprog:English
Udgivet: Washington, D.C. A. I. D. 1976.
Fag:
Sewage > Purification > Philippines.
Water > Purification > Philippines.