Hidayat B, Sebayang NUW, Jamilah J, Mahardika A. Brunauer-Emmett-Teller, Fourier-transform infrared, and scanning-electron-microscope analysis of biochar from marine organic waste. Sains Tanah J. Soil Sci. Agroclimatology. 2025;22(1):127-134. doi:10.20961/stjssa.v22i1.93314