Kazuhito Morisada. “CHANGES IN CHEMICAL PROPERTIES OF HEAPED SOIL IN A TROPICAL REGION”. Journal of Tropical Forest Science (JTFS) 7, no. 4 (June 17, 1995): 670–672. Accessed July 3, 2024. https://jtfs.frim.gov.my/jtfs/article/view/1861.