Challenges of applying e-learning in the libyan higher education systemGhawail, Entisar Alhadi Al; Ben Yahia, Sadok; Alrshah, Mohamed A.International journal of advanced trends in computer science and engineering2019 / p. 38-43 : ill https://doi.org/10.30534/ijatcse/2019/0681.42019 Journal metrics at Scopus Article at Scopus