1.
Suparya IK, Suastika IN, Lasmawan IW. The Effect of The Problem-Based Learning Model on The Interest and Learning Outcomes of Mathematics of Elementary School Students. Cetta [Internet]. 2022 Jun. 1 [cited 2024 Jul. 3];5(2):106-15. Available from: https://jayapanguspress.penerbit.org/index.php/cetta/article/view/1541