Dedi Muhtadi, YL Sukestiyarno, Isti Hidayah, and Amin Suyitno. “How Does The Ability of Pedagogical Content Knowledge Preservice Teacher Students in Mathematics Learning?”. Proceedings of International Conference on Science, Education, and Technology, vol. 8, no. 1, Oct. 2022, pp. 550-6, https://proceeding.unnes.ac.id/ISET/article/view/1803.