WIDODO, Nanang Tri. Front Matter Prosiding Semnas Himakim 2020. PROSIDING SEMINAR NASIONAL KIMIA, [S.l.], dec. 2020. Available at: <https://jurnal.kimia.fmipa.unmul.ac.id/index.php/prosiding/article/view/960>. Date accessed: 03 july 2024.