PERSPEKTIF, Sri Yuliani. Cover perspektif Vol. VI No.12. Perspektif Pendidikan dan Keguruan, Pekanbaru, Riau, Indonesia, v. 6, n. 12, 2017. Disponível em: https://journal.uir.ac.id/index.php/Perspektif/article/view/249. Acesso em: 3 may. 2024.