RIYADI, A. A. Halaman Depan Jurnar Chart Datum Vol 11 No 1. Jurnal Chart Datum, [S. l.], v. 11, n. 1, 2025. Disponível em: http://jurnal.sttalhidros.ac.id/index.php/chartdatum/article/view/399. Acesso em: 17 oct. 2025.