PENERAPAN PROBLEM BASED LEARNING DAN TWO STAY TWO STRAY UNTUK MENINGKATKAN KEAKTIFAN DAN HASIL BELAJAR DI SMAN 2 KEDIRI. Journal of Mathematics Education Research, [S. l.], v. 2, n. 1, p. 31–40, 2023. Disponível em: https://journalng.uwks.ac.id/jmer/article/view/90.. Acesso em: 8 sep. 2024.