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Issue in farm power and water use in Sri Lanka
(Hector Kobbeduwa Agrarian Research and Training Institute:Colombo, 1979) Abeysekera, W.A.T.; Farrington, J.; Agrarian Research and Training Institute
Some issues confronting the rehabilitation of major irrigation schemes in the dry zone:a report arising from pre-investment surveys of conditions at the Tank Irrigation Modernization Project (five Tanks)(64)
(Hector Kobbeduwa Agrarian Research and Training Institute:Colombo, 1981) Abeysekera, W.A.T.; Ratnatunge, A.S.; Farrington, J.; Agrarian Research and Training Institute
Profitability and resource characteristics of paddy farming
(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 1977) Ranatunga, A.S.; Abeysekera, W.A.T.; Hector Kobbekaduwa Agrarian Research and Training Institute