Tran, . . O. T. K. ., Truong, . . T. Q. ., Phan, L. T. K., Nguyen, . . D. V. . and Nguyen, H. T. T. . (2025) “Effect of pyrolysis temperature on the physicochemical properties of biochar derived from spent coffee grounds ”, International Journal of Sustainable Energy and Environmental Research, 14(2), pp. 54–64. doi: 10.18488/13.v14i2.4452.