N. S. Dudley and J. H. Fownes (1992) “PRELIMINARY BIOMASS EQUATIONS FOR EIGHT SPECIES OF FAST-GROWING TROPICAL TREES”, Journal of Tropical Forest Science (JTFS) , 5(1), pp. 68–73. Available at: https://jtfs.frim.gov.my/jtfs/article/view/1936 (Accessed: 20 May 2024).