Violetta Parutis,  Inequalities in Higher Education and Students’ Perceptions of Factors Influencing Academic Performance.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2018, vol. 137(5). 668 - 678
    [viewed 06 December 2019]. Available from: https://publications.waset.org/pdf/10009366.