Perbowo, Krisna Satrio, Dian Lestari, Syafika Ulfah, and Rosida Rakhmawati. “MARGINAL REGIONS MATHEMATICS TEACHERS’ PERCEPTION OF THE USE OF MANIPULATIVE TOOLS”. Kalamatika: Jurnal Pendidikan Matematika 6, no. 2 (November 30, 2021): 143-156. Accessed July 1, 2025. https://matematika-uhamka.com/kalamatika/index.php/kmk/article/view/498.