Some issues confronting the rehabilitation of major irrigation schemes : a report arising from pre-investment surveys of conditions at the Tank Irrigation Modernization Project ("Five Tanks")

A.S. Ranatunga [A.S. Ranatunge [i.e. Ranatunga], J. Farrington, W.A.T. Abeysekera]
Bok · Engelsk · 1981 A.S. Ranatunga

Utgitt	Colombo : Agrarian Research & Training Institute , 1981
Omfang	50 s.