Waidyanatha, U.P.de.S.2014-06-032014-06-031998Ministry of Agriculture and Lands, Sri Lanka 50th CommemorationVolume, 1:p.131-136https://dl-cri.nsf.gov.lk//handle/1/3656Development ProgrammesPerennial cropsA commercial approach to non-plantation perennial crop development: perennial crop development project