Salamah bt. Selamat, Habibah bt. Mohammad, and Zaitun bt. Said. “PRESERVATION OF RUBBERWOOD BY BORON-DOUBLE VACUUM PROCESS”. Journal of Tropical Forest Science (JTFS) 1, no. 2 (December 16, 1988): 133–139. Accessed May 19, 2024. https://jtfs.frim.gov.my/jtfs/article/view/2151.