SIREGAR, Ruben ES; MANURUNG, Binari. IMPROVEMENT OF STUDENT LEARNING ACTIVITY AND LEARNING OUTCOMES BY USING PROBLEM-BASED LEARNING MODEL ON HUMAN REPRODUCTIVE SYSTEM TOPIC IN GRADE XI IPA 4 AT SMAN 2 SOPOSURUNG BALIGE. Jurnal Pelita Pendidikan, [S. l.], v. 4, n. 3, 2016. DOI: 10.24114/jpp.v4i3.6618. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/pelita/article/view/6618. Acesso em: 3 jul. 2025.