Mutrofin, Lilik, Mohamad Nur, and Leny Yuanita. “DEVELOPING TEACHING MATERIALS USING 5E MODEL OF INSTRUCTION TO INCREASE STUDENTS HIGHER ORDER THINKING SKILLS”. JPPS (Jurnal Penelitian Pendidikan Sains) 5, no. 2 (January 30, 2017): 962–967. Accessed May 4, 2024. https://journal.unesa.ac.id/index.php/jpps/article/view/506.