Construction of hand-dug well in rural villages in Sri Lanka
Construction of hand-dug well in rural villages in Sri Lanka
- HELVITAS Colombo 1994
- 50
- Ground Water Hand-Dug Wells
5758
628.11(548.7) CON
Engineering & Technology
628.112(54.7) 1
5758
628.11(548.7) CON
Engineering & Technology
628.112(54.7) 1