Gunathilaka, H.A.J.Vaidyanatha, U.P. de S.2014-06-032014-06-031993Coconut Bulletin, 8(1-2):p.29-30https://dl-cri.nsf.gov.lk//handle/1/3487Farming SystemsIntercroppingPerennial cropsA new approach to improve coconut and perennial crop cultivation