Arabic Morphological Errors in the Writings of Traditional Pesantren Students in Yogyakarta: Integrating Error Analysis and Educational Ethnography. - Rizaldi, Muhammad Ivang; Rahayu, Daly Auliya; Susiawati, Wati; Nisa, Mauidlotun (Tatsqify: Jurnal Pendidikan Bahasa Arab, 2026)