RACHMAT, A., WAHYU, Y. E., HARIANI, P. L., RIYANTI, F., & FATMA, F. (2025). Pyrolysis and modification of coconut shell into sulfonated biochar and its catalytic activity on cellobiose conversion. Journal of Metals, Materials and Minerals, 35(3), e2271. https://doi.org/10.55713/jmmm.v35i3.2271