Mahmudah, Umi, and Farida Hidayatal Fikroh. 2021. “Analisis Kesulitan Guru Dalam Pembelajaran Matematika Secara Daring”. SANTIKA : Seminar Nasional Tadris Matematika 1 (December):281-96. https://proceeding.uingusdur.ac.id/index.php/santika/article/view/371.