HECTOR Kobbekaduwa Agrarian Research and Training Institute
Impacts and lessons of uda-walawe left bank irrigation upgrading and extension p
/ M.M.M.Aheeyar, H.J.C. Jayasooriya
- Colombo Hector Kobbekaduwa Agrarian Research and Training Institute 2015
- ix, 41 pages. -
- Research report No; 176 .