MUKRA, Rizal; NASUTION, Muhammad Yusuf. PERBEDAAN HASIL BELAJAR SISWA MENGGUNAKAN MODEL PROJECT BASED LEARNING DENGAN PROBLEM BASED LEARNING PADA MATERI PENCEMARAN DAN PELESTARIAN LINGKUNGAN HIDUP. Jurnal Pelita Pendidikan, [S. l.], v. 4, n. 2, 2016. DOI: 10.24114/jpp.v4i2.4053. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/pelita/article/view/4053. Acesso em: 4 jul. 2025.