Asgarnezhad Nouri, Bagher, Nemati, Vali,  Abedi, Somayeh, Movahed, Sayed Mohammad Reza. “Leadership Style, Servant Leadership, Paternal Leadership, Authentic Leadership, Psychological Capital, Job Engagement, Extra-role Services.”  Social Studies in Tourism, vol. 11, no. 24, 2023, pp. 83-108. 10.61186/journalitor.36246.11.24.83