Suryanti, S., S. Ferazona, and M. Hartati. “KOMPETENSI PEDAGOGIK GURU IPA (Studi Kasus Di SMP Negeri 1 XIII Koto Kampar Tahun Ajaran 2017/2018): Indonesia”. Biology and Education Journal, Vol. 1, no. 1, May 2020, p. 13, https://journal.uir.ac.id/index.php/baej/article/view/4975.