Burhanudin, M., and I. Sodiq. “Kendala Guru Sejarah Dalam Kurikulum 2013 Menggunakan Pendekatan Saintifik Di SMK Negeri 7 Semarang”. Indonesian Journal of History Education, Vol. 6, no. 1, June 2018, pp. 89-02, https://journal.unnes.ac.id/sju/index.php/ijhe/article/view/27357.