Water harvesting purification and distribution management : International water resources crises and people - Sheela Sanghvi; Pream S. Pahwa (New Delhi Dominant Publishers and Distributors, 2001)
Sheela Sanghvi & Pream S. Pahwa: Water harvesting purification and distribution management : International water resources crises and people. New Delhi. Dominant Publishers and Distributors, 2001. 81-7888-033-4--(631.7SAN)
ENGLISH