“VACUUM-PRESSURE TREATMENT OF RUBBERWOOD (HEVEA BRASILIENSIS) USING BORON-BASED PRESERVATIVE”. JOURNAL OF TROPICAL FOREST SCIENCE 20, no. 1 (June 15, 2022): 1–7. Accessed December 14, 2025. https://jtfs.frim.gov.my/jtfs/article/view/752.