Heraspin A, Afandi R. The Effect of Problem Based Learning Model on the Ability of Class V Mathematics Problem Solving SDN JATI SIDOARJO: Pengaruh Model Pembelajaran Berbasis Masalah Terhadap Kemampuan Pemecahan Masalah Matematika Kelas V SDN JATI SIDOARJO. ijemd [Internet]. 2020May25 [cited 2024Nov.21];10:10.21070/ijemd.v10i.565. Available from: https://ijemd.umsida.ac.id/index.php/ijemd/article/view/565