Mandey AF, Tilaar ALF, Tumalun NK. The effectiveness of creative problem-solving learning models on students’ ability to solve HOTS questions at SMP Negeri 2 Langowan class VIII. Math Didactic [Internet]. 17 Januari 2024 [dikutip 16 Juli 2025];9(3):541-5. Tersedia pada: https://jurnal.stkipbjm.ac.id/index.php/math/article/view/2406