an annotated bibliography Gunasena, H. P. M. creator comp. Hitinayake, H.M.G. comp. Sangakkara, U.R. comp. Thattil, R.O. comp. Marambe, B. comp. Nissanka, S.P. comp. xxu Peradeniya The University of Peradeniya 1999 eng iii,198p. 21cm Agroforestry 634.99016 AGR 161103