Hikmawati, D.I. and Haqiqi, E.R. 2019. Surface Chemical Structure and Morphological Analysis of Fallen Teak Leaves (Tectona grandis) Powder for Methylene Blue Adsorption. CHEESA: Chemical Engineering Research Articles. 2, 1 (Jun. 2019), 42–49. DOI:https://doi.org/10.25273/cheesa.v2i1.4334.