Appropriate technology for water supply and sanitation.

Appropriate technology for water supply and sanitation.

গ্রন্থ-পঞ্জীর বিবরন
সংস্থা লেখক: World Bank, International Bank for Reconstruction and Development
বিন্যাস: গ্রন্থ
ভাষা:English
প্রকাশিত: Washington Transportation, Water and Telecommunications Department, World Bank 1980
বিষয়গুলি:
Underdeveloped areas > Water supply > Research.
Waste disposal in the ground > Underdeveloped areas.