APRILIA, Riska; ZETRIUSLITA, Zetriuslita; ARIAWAN, Rezi; ANGRAINI, Lilis Marina. Development of Learning Devices with Problem Based Learning Model on Statistics Material for Class VIII SMP. Perspektif Pendidikan dan Keguruan, Pekanbaru, Riau, Indonesia, v. 13, n. 1, p. 21–27, 2022. DOI: 10.25299/perspektif.2022.vol13(1).9374. Disponível em: https://journal.uir.ac.id/index.php/Perspektif/article/view/9374. Acesso em: 4 may. 2024.