Ambarita, Imeldasari, Suprapto Manurung, and Yoel Octobe Purba. “Pengaruh Problem Based Learning Terhadap Higher Order Thinking Skills (HOTS) Pada Pembelajaran Matematika”. Jurnal Pendidikan dan Konseling (JPDK) 4, no. 6 (November 2, 2022): 436–446. Accessed July 17, 2024. http://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/8180.