Rajapakse, K.2014-12-162014-12-162004The Sri Lanka Forester, 27(New series):p.49-52https://dl.nsf.gov.lk/handle/1/16520ForestryPineTapping methodsOleo pine resinPinus caribaeaSri LankaIndiaComparative yield from Sri Lankan and Indian methods of resin tapping of Pinus caribaea