Salamah Selamat, and Ani Sulaiman. “PRESERVATION TREATMENT OF KEMPAS PILES TAKEN FROM SWAMP AND HILL FORESTS”. Journal of Tropical Forest Science (JTFS), vol. 4, no. 4, June 1992, pp. 286-93, https://jtfs.frim.gov.my/jtfs/article/view/2011.