THE EFFECT OF STEM-PROJECT BASED LEARNING MODEL ON STUDENTS CREATIVE THINKING SKILL ON ENERGY MATERIAL IN LIFE SYSTEMS AT JUNIOR HIGH SCHOOL. universe [Internet]. 30 Juni 2026 [dikutip 15 Agustus 2026];7(1):94-100. Tersedia pada: http://universe.ppj.unp.ac.id/index.php/universe/article/view/669