KITAYAMA, K. and MAJUAKIM, L. 2026. Variation of Free Amino Acids in Soil Water of Tropical Rainforests on Mount Kinabalu, Borneo. Journal of Tropical Biology & Conservation (JTBC). 23, (May 2026), 77–90. DOI:https://doi.org/10.51200/jtbc.v23i.7296.