Rahmasiwi, Dwinda Susi, Swasti Maharani, and Suliyawati Hartini. “The Increasing of Mathematics Achievement in Cube and Cuboids Nets Using Problem Based Learning Models in Grade 4”. Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika 9, no. 2 (November 30, 2023): 244–252. Accessed December 22, 2024. https://ojs.unpkediri.ac.id/index.php/matematika/article/view/20653.