1.
Kholisah SA, Anggraini RD, Kartini. Implementation of the problem-based learning model to improve students’ mathematical problem-solving skills. JA [Internet]. 2024 Dec. 30 [cited 2025 Dec. 17];7(2):245-5. Available from: https://ojs-staging.upp.ac.id/index.php/absis/article/view/2622