Khalid M, Yousaf F, Khan MA, Shaukat S. An Empirical Examination of E-Government Virtual Services: Mediating Role of Users’ Perceived Usefulness. JMR [Internet]. 2021 Jun. 23 [cited 2026 Jun. 14];8(1):99-128. Available from: https://ojs.umt.edu.pk/index.php/jmr/article/view/746