KURNIAWATI, N. PENINGKATAN DAYA RETENSI SISWA MELALUI LESSON STUDY DENGAN PBL (PROBLEM BASED LEARNING) PADA MATERI LINGKARAN. Journal of Mathematics Education and Science, [S. l.], v. 1, n. 1, p. 35–41, 2018. DOI: 10.32665/james.v1iApril.15. Disponível em: https://journal.unugiri.ac.id/index.php/JaMES/article/view/15. Acesso em: 24 nov. 2024.