Ambarita I, Manurung S, Purba YO. Pengaruh Problem Based Learning terhadap Higher Order Thinking Skills (HOTS) pada Pembelajaran Matematika . JPDK [Internet]. 2022 Nov. 2 [cited 2025 Apr. 7];4(6):436-4. Available from: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/8180