Rahmasiwi, Dwinda Susi, Swasti Maharani, and Suliyawati Hartini. 2023. “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 (2):244-52. https://doi.org/10.29407/jmen.v9i2.20653.