Food security and small tank systems in Sri Lanka
Gunasena, H.P.M.
Food security and small tank systems in Sri Lanka - National Science Foundation Colombo 2000 - 129 - Food Security Small tank System Groundwater Resources Irrigation Surface Water Resources Sri Lanka
http://thakshana.nsf.ac.lk/slstic/NA-241/NA_241.pdf
955-590-031-0 = Food security and small tank systems in Sri Lanka
M
B
P 2580
NA-241
Agriculture
631.67(548.7)
Food security and small tank systems in Sri Lanka - National Science Foundation Colombo 2000 - 129 - Food Security Small tank System Groundwater Resources Irrigation Surface Water Resources Sri Lanka
http://thakshana.nsf.ac.lk/slstic/NA-241/NA_241.pdf
955-590-031-0 = Food security and small tank systems in Sri Lanka
M
B
P 2580
NA-241
Agriculture
631.67(548.7)