PRIHANDOKO, Antonius Cahya. Preliminary Pages. INFORMAL: Informatics Journal, [S.l.], v. 1, n. 2, aug. 2016. ISSN 2503-250X. Available at: <https://jurnal.unej.ac.id/index.php/INFORMAL/article/view/3150>. Date accessed: 24 nov. 2024.