PETRA CHRISTIAN UNIVERSITY STUDENT EXECUTIVE BOARD (BEM) PROJECT MANAGEMENT SYSTEM. Jurnal Informatika, [S. l.], v. 11, n. 1, p. 55–62, 2013. DOI: 10.9744/informatika.11.1.55-62. Disponível em: https://jurnalinformatika.petra.ac.id/index.php/inf/article/view/18647. Acesso em: 18 jun. 2026.