Water supply ,sanitation and waste water management:progress and prospects towards clenan and helthy society

Pathmarajah , S

Water supply ,sanitation and waste water management:progress and prospects towards clenan and helthy society - Peradeniya Cap-Net Lanka 2009 - [v] , 119 p. 26 cm.

9789555891158


ENVIRONMENTAL PROBLEMS
CLEAN AND HEALTHY

363.72 / WAT