YANTI, Neng Liva; DILIAROSTA, Skunda. DEVELOPMENT OF LKPD BASED ON PROBLEM BASED LEARNING MODEL FOR SMP CLASS VII ON ENVIRONMENTAL POLLUTION MATERIAL. Universe, [S. l.], v. 4, n. 1, p. 66–72, 2023. DOI: 10.24036/universe.v4i1.236. Disponível em: http://universe.ppj.unp.ac.id/index.php/universe/article/view/236. Acesso em: 19 apr. 2026.