“IMPREGNATION OF RUBBERWOOD AND OTHER MALAYSIAN TIMBERS WITH COPPER NAPHTHENATE AND TRIMETHYL BORATE”, JTFS, vol. 21, no. 4, pp. 345–352, Jun. 2022, Accessed: Nov. 28, 2025. [Online]. Available: https://jtfs.frim.gov.my/jtfs/article/view/826