“ GROWTH, PHOTOSYNTHETIC COMPETENCE AND OLEO-GUM RESIN PRODUCTION OF GUGGAL (COMMIPHORA WIGHTII) ACROSS SOIL MOISTURE AND NITROGEN GRADIENT” (2022) JOURNAL OF TROPICAL FOREST SCIENCE, 24(4), pp. 538–545. Available at: https://jtfs.frim.gov.my/jtfs/article/view/587 (Accessed: 23 November 2025).