Baig, Mukhtiar, Zohair Jamil Gazzaz, and Mohamed Farooq. 2020. “Blended Learning: The Impact of blackboard formative Assessment on the Final Marks and students’ Perception of Its Effectiveness: Blended Learning”. Pakistan Journal of Medical Sciences 36 (3). https://doi.org/10.12669/pjms.36.3.1925.