Wan Rasidah Wan Ab. Kadir, Ahmad Sahali Mardi, Razley Mohd. Nordin, and Zaharah Ab. Rahman. “/Em>”;. Journal of Tropical Forest Science (JTFS), vol. 2, no. 2, Dec. 1989, pp. 97-103, https://jtfs.frim.gov.my/jtfs/article/view/2090.