Firdaus, Mochammad. “Problems in Expressing Arabic Language of Indonesian Students at Khartoum International Institute for Arabic Language”. Izdihar : Journal of Arabic Language Teaching, Linguistics, and Literature 2, no. 1 (October 4, 2019): 35–52. Accessed November 23, 2024. https://ejournal.umm.ac.id/index.php/izdihar/article/view/7588.