Perera, P., Amarasekera, H. and Weerawardena, N. 2012. Effect of Growth Rate on Wood Specific Gravity of Three Alternative Timber Species in Sri Lanka; Swietenia macrophylla, Khaya senegalensis and Paulownia fortunei. Journal of Tropical Forestry and Environment. 2, 1 (May 2012). DOI:https://doi.org/10.31357/jtfe.v2i1.567.