Muhisn, Zahraa Abed Aljasim, et al. “The Impact of Socialization on Collaborative Learning Method in E-Learning Management System (eLMS)”. International Journal of Emerging Technologies in Learning (iJET), vol. 14, no. 20, Oct. 2019, pp. pp. 137-148, doi:10.3991/ijet.v14i20.10992.