Rupasena, L.P. Marketing of palmyrah based products - Colombo Hector Kobbekaduwa Agrarian research and Training Institute 1995 - vii,50p. 21cm - Research study No.93 March 1995 . ISBN: 9556120149 Subjects--Topical Terms: Commerce, communications, transportation Internal commerceRetail trade Dewey Class. No.: 381.4093943 / RUP