Esam AL-LAWATI; Abdullah Al FARSI. Investigating the Effectiveness of the Educational Qualification Diploma Program in Rising Self-confidence among the Trained Teachers at the College of Arts and Humanities at A’Sharqiyah University in the Sultanate of Oman. Modern Perspectives in Language, Literature and Education Vol. 7, [S. l.], p. 77–85, 2021. DOI: 10.9734/bpi/mplle/v7/3228F. Disponível em: https://stm.bookpi.org/MPLLE-V7/article/view/2874. Acesso em: 9 jun. 2026.