Ghea Setyarini, Aditya Permana, Rizki Fuji Handika. Literature Review: Application of Problem Based Learning Model to Improving Problem Solving Ability and Student Mathematics Learning Outcomes in Elementary School. ICEE [Internet]. 2023Jun.27 [cited 2024May14];5(1):260-73. Available from: http://proceedings2.upi.edu/index.php/icee/article/view/3118