SALMIYATI, S., A. HERYANSYAH, I. I. B. MUHAMAD, and E. SUPRIYANTO. “Effect of Palm Waste on Sloping Land to Fresh Fruit Bunch Production in Oil Palm Plantation”. Walailak Journal of Science and Technology (WJST), vol. 14, no. 7, Mar. 2016, pp. 581-7, https://wjst.wu.ac.th/index.php/wjst/article/view/1977.