Nazzal, F. , Abu Ibaya, A. and Fares, H. 2025. Narcissistic Personality Disorder and Its Relationship to Social Media Addiction among An-Najah National University Students. Palestine Technical University Research Journal. 13, 05 (Dec. 2025), 119–139. DOI:https://doi.org/10.53671/pturj.v13i05.701.