Malik, Hafiz Abid Mahmood, AbdulHafeez Muhammad, and Hassan Raza. 2021. “Usability Evaluation of Freelancing Websites A Case of Fiverr Using SUS”. University of Sindh Journal of Information and Communication Technology 5 (2), 57-62. https://sujo.usindh.edu.pk/index.php/USJICT/article/view/4075.