DEVELOPMENT OF SHARED-TYPE INTEGRATED SCIENCE E-MODULE BASED ON PROBLEM-BASED LEARNING ON THE TOPIC OF ENVIRONMENTAL POLLUTION. universe [Internet]. 20 Mei 2025 [dikutip 14 Agustus 2026];5(2):204-12. Tersedia pada: http://universe.ppj.unp.ac.id/index.php/universe/article/view/572