J. . Habulezi, K. P. J. . Batsalelwang, and N. M. . Malatsi, “Factors Influencing the Poor Academic Performance of Learners with Vision Impairment in Science Subjects in Kgatleng District in Botswana”, IJLTER, vol. 16, no. 11, pp. 28–44, Nov. 2017.