Sultoni, Muhammad, Isnani Isnani, and Suwandono Suwandono. “ANALISIS KEMAMPUAN KOMUNIKASI MATEMATIS PADA MATERI TRIGONOMETRI: Array”. Jurnal Dialektika Program Studi Pendidikan Matematika 7, no. 2 (February 3, 2021). Accessed January 30, 2026. https://journal.peradaban.ac.id/index.php/jdpmat/article/view/663.