Khairun Nisa Argianti, Ricky Andi Syahputra, Yeni Simbolon, Ester Basani Panggabean, Khairahmi Khairahmi. The Effect of Acid and Base Activation on The Character of Biochar as a Heterogeneous Catalyst. Konstanta [Internet]. 2025 Feb. 11 [cited 2025 Feb. 22];3(1):01-9. Available from: https://ifrelresearch.org/index.php/konstanta-widyakarya/article/view/4711