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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 2024Apr.15];5(1):260-73. Available from: http://proceedings.upi.edu/index.php/icee/article/view/3118