SAAD, Noor Shah. Pengintegrasian Komponen Pengetahuan Pedagogi Isi Kandungan (PCK) dalam Pengajaran Pembelajaran Trigonometri: The Integration of Pedagogical Content Knowledge Components in The Teaching and Learning of Trigonometry. Journal of Science and Mathematics Letters, [S. l.], v. 1, n. 1, p. 72–83, 2009. Disponível em: https://ejournal.upsi.edu.my/index.php/JSML/article/view/328. Acesso em: 8 apr. 2025.