Roslan Ali, R. Amano, and Said Ahmad. “PLANING PROCESS OF MALAYSIAN TIMBERS 1. EFFECT OF VARIOUS CUTTING FACTORS ON PLANING QUALITY”. Journal of Tropical Forest Science (JTFS), vol. 3, no. 3, Mar. 1991, pp. 209-20, https://jtfs.frim.gov.my/jtfs/article/view/2053.