“ANTIOXIDANT ACTIVITY AND PHENOLIC CONTENT OF DIFFERENT PARTS OF ORTHOSIPHON STAMINEUS GROWN UNDER DIFFERENT LIGHT INTENSITIES”, JTFS, vol. 24, no. 2, pp. 173–177, May 2022, Accessed: Dec. 18, 2025. [Online]. Available: https://jtfs.frim.gov.my/jtfs/article/view/504