Suminar, D. R.; Rahayu, I. .; Andrijanto, E. .; Anam, F. Y. M.; Fadhillah, F. .; Irwansyah, F. S.; Eddy, D. R. Comparison of Carbon-Based Heterogeneous Acid Catalyst from Water Hyacinth and Coconut Shell for Biofuel Production. Trends Sci 2024, 21, 7601.