Pajarudin K, Sugiatno S, Rustam R, Rif’at M, Siregar N. PEDAGOGICAL CONTENT KNOWLEDGE (PCK) MATERI TRIGONOMETRI SUDUT ISTIMEWA DENGAN GEOGEBRA DI SMA. Numeracy [Internet]. 2024Oct.29 [cited 2024Nov.20];11(2):170-83. Available from: https://ejournal.bbg.ac.id/numeracy/article/view/2859