Magfira, Magfira, Akina Akina, and Pahriadi Pahriadi. 2021. “PROBLEM SOLVING PROFILE OF MIXED ARITHMETIC OPERATIONS IN CLASS IV SDN 8 MAMBORO”. Elementary School of Education E-Journal 9 (2):121-28. https://jurnalfkipuntad.com/index.php/jem/article/view/1232.