NIKMATUL ATIYAH; I KOMANG SUKENDRA; NI MADE SRI UTAMI DEWI. UPAYA MENINGKATKAN HASIL BELAJAR MATEMATIKA MELALUI PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING DENGAN PENDEKATAN TEACHING AT THE RIGHT LEVEL. Widyadari, [S. l.], v. 25, n. 2, p. 259–268, 2024. DOI: 10.59672/widyadari.v25i2.4127. Disponível em: https://ojs.mahadewa.ac.id/index.php/widyadari/article/view/4127. Acesso em: 17 sep. 2025.