HANAFIANI, L. G.; NASRULLAH, A.; HIDAYAT, A. PEER TUTORING WITH XCHART UTILIZATION: ENHANCING STUDENTS’ PROBLEM-SOLVING SKILLS AND SELF-DIRECTED LEARNING . Indonesian Journal of Teaching and Learning , [S. l.], v. 2, n. 3, p. 429–444, 2023. DOI: 10.56855/intel.v2i3.549. Disponível em: https://journals.eduped.org/index.php/intel/article/view/549. Acesso em: 12 jan. 2026.