Roy M K P
Water quality and health status in Kollam municipality (Discussion paper No.56) - Thiruvananthapuram Kerala Research Programme on Local Level Development Centre for Development Studies 2004 - 56 p.
Quality of drinking water-Health and sanitary Status of Household
333.91 / ROY/W
Water quality and health status in Kollam municipality (Discussion paper No.56) - Thiruvananthapuram Kerala Research Programme on Local Level Development Centre for Development Studies 2004 - 56 p.
Quality of drinking water-Health and sanitary Status of Household
333.91 / ROY/W