AL-HARBY, Seetah Ali. Effectiveness of The Educational Leadership Program in Developing Professional and Leadership Competencies of Secondary School Principals In Wadi Al-Seer District, Jordan. Journal of Educational and Psychological Sciences, New Mexico, United States, v. 4, n. 16, p. 21–1, 2020. DOI: 10.26389/AJSRP.D191219. Disponível em: https://journals.ajsrp.com/index.php/jeps/article/view/2400. Acesso em: 24 jan. 2026.