Robbins, S. R. J.Matthews, W. S. A2014-12-162014-12-161977The Sri Lanka Forester, 13(1-2):p.19-28https://dl.nsf.gov.lk/handle/1/16542ForestryForest productsTurpentineSandalwood oilGuaiac wood oilRosewood oilOil plantsLatexInsectsTanninsMinor forest products - their total value is of a major order