Maratin H, Shodikin A. Development of Single Variable Linear Equation System Question Instruments Based on Higher Order Thinking Skill (HOTS). Pedagogi: Jurnal Ilmu Pendidikan [Internet]. 30Apr.2022 [cited 22Nov.2024];22(1):34-8. Available from: http://pedagogi.ppj.unp.ac.id/index.php/pedagogi/article/view/1247