JAYAWEERA, Dr. J. Sumedha. Professional Development of Education Administrative Service officers in Sri Lanka. International Journal Of Management And Economics Invention, [S. l.], v. 8, n. 12, p. 2754–2761, 2022. DOI: 10.47191/ijmei/v8i12.05. Disponível em: http://rajournals.in/index.php/ijmei/article/view/1067. Acesso em: 1 sep. 2024.