FITRIYANTI, Fitriyanti. Meningkatkan Hasil Belajar Peserta Didik Dengan Metode Problem Based Learning Menggunakan Google Classroom Pada Kelas XI IPA 2 SMA Negeri 9 Pekanbaru Tahun Pelajaran 2020/2021. Innovative: Journal Of Social Science Research, [S. l.], v. 1, n. 2, p. 315–319, 2021. Disponível em: http://j-innovative.org/index.php/Innovative/article/view/58. Acesso em: 14 nov. 2025.