“EFFECTS OF TAPPING PATTERN AND WOOD VINEGAR, LIME AND GALANGAL STIMULANTS ON SAP PRODUCTION OF SWAMP JELUTONG (DYERA LOWII) IN INDONESIA ”. 2016. JOURNAL OF TROPICAL FOREST SCIENCE 28 (4): 527-32. https://jtfs.frim.gov.my/jtfs/article/view/886.