AL FALEH, Mashail Bent Nasser. The Training Needs of the Principles of Educational Training Centers in Riyadh in the Light of Knowledge Trends. Journal of Educational and Psychological Sciences, New Mexico, United States, v. 2, n. 17, p. 50–25, 2018. DOI: 10.26389/AJSRP.M300418. Disponível em: https://journals.ajsrp.com/index.php/jeps/article/view/316. Acesso em: 24 jan. 2026.