Diniyah, Eka Nuhayati, Wiryanto Wiryanto, Rooselyna Ekawati, and Hendratno Hendratno. 2021. “Development of Scale Learning Tools on Map Based on Problems to Improve Problem Solving Skills”. Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah Di Bidang Pendidikan Matematika 7 (2), 121-34. https://doi.org/10.29407/jmen.v7i2.16153.