Astrodjojo DR. THE DEVELOPMENT OF TEACHING MATERIALS USING LEARNING CYCLE 5E TO INCREASE CRITICAL THINKING SKILLS AND STUDENTS LEARNING OUTCOME OF HIGH SCHOOL STUDENTS ON THE SUBJECT OF REACTION RATE. J. penelitian. pendidik. sains [Internet]. 2018Dec.3 [cited 2024May11];8(1). Available from: https://journal.unesa.ac.id/index.php/jpps/article/view/3861