Susilowati, Susilowati, and Purwanti Widhy H. “Analisis Pedagogical Content Knowledge Guru IPA SMP Kelas VIII Dalam Implementasi Kurikulum 2013”. Jurnal Pendidikan Matematika dan Sains 3, no. 1 (June 15, 2015): 72–78. Accessed May 21, 2025. https://journal.uny.ac.id/index.php/jpms/article/view/7238.