“A SURVEY ON THE OCCURRENCE OF PESTS AND DISEASES IN TONGKAT ALI (EURYCOMA LONGIFOLIA) PLANTATIONS IN PENINSULAR MALAYSIA”. JOURNAL OF TROPICAL FOREST SCIENCE 30, no. 3 (July 25, 2018): 362–375. Accessed January 19, 2026. https://jtfs.frim.gov.my/jtfs/article/view/363.