PIN, Pin et al. PRESIDEN INDONESIA TIGA PERIODE. Jurnal Darma Agung, [S.l.], v. 29, n. 2, p. 267–272, aug. 2021. ISSN 2654-3915. Available at: <http://jurnal.darmaagung.ac.id/index.php/jurnaluda/article/view/1081>. Date accessed: 20 apr. 2024. doi: http://dx.doi.org/10.46930/ojsuda.v29i2.1081.