K. K. S. Ng, K. C. Ang & S. L. Lee. “MATING SYSTEM IN A PLANTED POPULATION OF <em>SHOREA</em> <em>MACROPHYLLA</Em> (DIPTEROCARPACEAE)”. Journal of Tropical Forest Science (JTFS), vol. 14, no. 1, Aug. 2022, pp. 145-9, https://jtfs.frim.gov.my/jtfs/article/view/1271.