Maratin, Hidayatul, and Ali Shodikin. “Development of Single Variable Linear Equation System Question Instruments Based on Higher Order Thinking Skill (HOTS)”. Pedagogi: Jurnal Ilmu Pendidikan 22, no. 1 (April 30, 2022): 34-38. Accessed November 22, 2024. http://pedagogi.ppj.unp.ac.id/index.php/pedagogi/article/view/1247.