IMPROVEMENT OF STUDENT ACHIEVEMENT THROUGH PROBLEM-BASED LEARNING SYSTEM WITH A DIFFERENTIATED APPROACH: OBJECT-ORIENTED PROGRAMMING SUBJECT. Journal of Innovative Technologies in Learning and Education, [S. l.], v. 3, n. 1, p. 1–23, 2026. DOI: 10.37792/jitle.v3i1.1884. Disponível em: https://ojs.cbn.ac.id/index.php/j-itle/article/view/1884. Acesso em: 20 may. 2026.