RAHAYU, Widya Putri; WIDYANINGRUM, Bakti; KURNIAWAN, Kurniawan. Penerapan Model Pembelajaran PBI (Problem Based Introduction) untuk Meningkatkan Keaktifan dan Motivasi Belajar Siswa. Jurnal Pendidikan Tambusai, [S. l.], v. 8, n. 3, p. 42592–42598, 2024. Disponível em: http://jptam.org/index.php/jptam/article/view/20415. Acesso em: 4 may. 2025.