Muhajir, and S. . Karomah. “Arabic Language Education Program at Islamic Boarding School Ibnul Qoyyim Putri Yogyakarta: Study of Code Mixing, Code Switching, and Interference”. Jurnal Pendidikan Islam, vol. 10, no. 2, Dec. 2021, pp. 181-18, doi:10.14421/jpi.2021.102.181-218.