. INFORMAL - Informatics Journal. INFORMAL: Informatics Journal, [S.l.], v. 4, n. 2, nov. 2019. ISSN 2503-250X. Available at: <https://jurnal.unej.ac.id/index.php/INFORMAL/article/view/14601>. Date accessed: 25 aug. 2024. doi: https://doi.org/10.19184/isj.v4i2.14601.