W. Killmann, M.P. Koh. OIL PALM STEM DENSIFICATION USING AMMONIA TREATMENT: A PRELIMINARY STUDY. JTFS [Internet]. 1988 Sep. 5 [cited 2025 Feb. 23];1(1):1-10. Available from: https://jtfs.frim.gov.my/jtfs/article/view/2128