María-Dolores Afonso-Suárez and  Nayra Pumar-Carreras and  Juan Ruiz-Alzola,  Engineering of E-Learning Content Creation: Case Study for African Countries.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2019, vol. 148(4). 362 - 367
    [viewed 08 December 2021]. Available from: https://publications.waset.org/pdf/10010195.