Wardhani, G. A. P. K. and Yahya, A. (2025) “Adsorption Condition of Geopolymer Synthesized from Corncob Ash Using NaOH and NaSiO for Methylen Blue Removal”, Sains Natural: Journal of Biology and Chemistry, 15(1), pp. 19–27. doi: 10.31938/jsn.v15i1.764.