AL-KHOWARIZMI, A.-K.; MANURUNG, A. A.; AZHARI, M. Design of an Application to Calculate Student Grades in Learning Logic Informatics Propositional Calculus Material. Hanif Journal of Information Systems , [S. l.], v. 1, n. 1, p. 18–25, 2023. DOI: 10.56211/hanif.v1i1.7. Disponível em: https://journal.ilmubersama.com/index.php/hanif/article/view/7. Acesso em: 25 oct. 2025.