NUGROHO, A. C. Expert System Development for Course Enrollment Process Using Ripple Down Rules in a University in Surabaya. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 10, n. 1, p. 1-7, 2019. DOI: 10.21512/comtech.v10i1.4962. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/4962. Acesso em: 30 mar. 2025.