Rahmasiwi, D.S. , Maharani, S. and Hartini, S. (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), pp. 244–252. doi:10.29407/jmen.v9i2.20653.