WHO -Geneva, CH, World Health Organization, IN, I. Ministry o, and UNICEF -New York, NY, US,
“Report of the evaluation team set up by the Ministry of Works and Housing Government of India on WHO/UNICEF assisted rural water supply programme”. India, Ministry of Works and Housing, New Delhi, India, p. 57 p.: tab., 1976.
WHO -Geneva, CH, World Health Organization,
Surveillance of drinking-water quality, vol. no. 63. Geneva, Switzerland: World Health Organization (WHO), 1976, p. 135 p.: 16 fig., 9 tab.