PERSPEKTIF, Sri Yuliani. Prakata Perspektif, Vol VII, No. 14, okt 2016. Perspektif Pendidikan dan Keguruan, Pekanbaru, Riau, Indonesia, v. 7, n. 14, 2017. Disponível em: https://journal.uir.ac.id/index.php/Perspektif/article/view/277. Acesso em: 7 may. 2024.