Doyan, A. et al. 2020. Synthesis of Tin Oxide Thin Layer by Doping Aluminum, Fluorine, and Indium Using Sol-Gel Spin Coating Technique. Jurnal Penelitian Pendidikan IPA. 7, 1 (Nov. 2020), 11–14. DOI:https://doi.org/10.29303/jppipa.v7i1.468.