Esam Al-Lawati and 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. MPLLE-V7 [Internet]. 2021 Aug. 4 [cited 2026 Jun. 9];:77-85. Available from: https://stm.bookpi.org/MPLLE-V7/article/view/2874