Alokluk, Jamilah, and Aisha Al-Amri. “The Role of Learning Management Systems (LMS) in Developing Learning Skills: The Case of Blackboard”. International Journal for Innovation Education and Research, vol. 7, no. 8, Aug. 2019, pp. 163-05, https://doi.org/10.31686/ijier.vol7.iss8.1659.