Meilinda, S. N., Nandang Kusnandar and Hani Handayani (2024) “PENGARUH POSITIVE REINFORCEMENT TERHADAP KEMAMPUAN PEMAHAMAN KONSEP MATEMATIKA MATERI BANGUN DATAR”, Sebelas April Elementary Education, 3(3), pp. 237–251. Available at: https://ejournal.unsap.ac.id/index.php/saee/article/view/1594 (Accessed: 19 August 2026).