Work stress and its relation to educational leadership among school principals. Journal Port Science Research, [S. l.], v. 2, n. 3, p. 331–355, 2019. DOI: 10.36371/port.2018.02.3.1. Disponível em: https://jpsr.uruk.edu.iq/index.php/jport/article/view/42. Acesso em: 28 jun. 2026.