MEILINDA, S. N.; NANDANG KUSNANDAR; HANI HANDAYANI. PENGARUH POSITIVE REINFORCEMENT TERHADAP KEMAMPUAN PEMAHAMAN KONSEP MATEMATIKA MATERI BANGUN DATAR. Sebelas April Elementary Education, [S. l.], v. 3, n. 3, p. 237–251, 2024. Disponível em: https://ejournal.lppmunsap.org/index.php/saee/article/view/1594. Acesso em: 9 jan. 2025.