Khalid, Shah, Sehat Ullah, and Aftab Alam. 2021. “Task Distribution Mechanism for Effective Collaboration in Virtual Environments: Task Distribution Mechanism for Effective Collaboration in Virtual Environments”. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences 53 (1):49–59. http://ppaspk.org/index.php/PPAS-A/article/view/356.