Setyaningrum, D., Fajarwati, N., & Maghfiroh, A. (2024). THE THE EFFECT OF HCl ACTIVATOR CONCENTRATION ON THE EFFECTIVENESS OF ACTIVATED CARBON DERIVED FROM CORNCOBS FOR METHYLENE BLUE ADSORPTION. SPIN JURNAL KIMIA & PENDIDIKAN KIMIA, 6(2), 181–193. https://doi.org/10.20414/spin.v6i2.11516