SILABAN, RAMLAN; PANGGABEAN, FREDDY TUA MUSA; HUTAHAEAN, ESRIDA; HUTAPEA, FELIA MUTIARA; ALEXANDER, IRVING JOSAFAT. EFEKTIVITAS MODEL PROBLEM BASED LEARNING BERMEDIAKAN LEMBAR KERJA PESERTA DIDIK TERHADAP HASIL BELAJAR KIMIADAN KEMAMPUAN BERPIKIR KRITIS PESERTA DIDIK SMA. Jurnal Ilmu Pendidikan Indonesia, [S. l.], v. 9, n. 1, p. 18–26, 2021. DOI: 10.31957/jipi.v9i1.1558. Disponível em: https://mail.ejournal.uncen.ac.id/index.php/JIPI/article/view/1558. Acesso em: 5 aug. 2025.