Waidyanatha, U.P.De S.Samaranayake, C.De Soyza, A.G.A.Perera, M.C.2014-07-102014-07-101983Journal of the Rubber Research Institute of Sri Lanka, 61:p.17-24https://dl-rri.nsf.gov.lk//handle/1/2603Virgin bark tapping of RRIC 100, RRIC 101 and RRIC 103Article