SUSILOWATI, A. T. Analisis Efektifitas Pembelajaran Problem Based Learning Terhadap Hasil Belajar Kognitif Siswa Kelas IV SD. Jurnal Pendidikan dan Konseling (JPDK), [S. l.], v. 3, n. 2, p. 133–137, 2021. DOI: 10.31004/jpdk.v3i2.1880. Disponível em: http://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/1880. Acesso em: 3 may. 2024.