Javier E. Sierra, Santander De la Ossa Guerra, and María F. Sierra. 2021. “ ANALYSIS OF INDICATORS FOR THE IMPROVEMENT OF VIRTUAL EDUCATION THROUGH BUSINESS INTELLIGENCE TECHNIQUES: CASE FOR HIGHER EDUCATION”. PalArch’s Journal of Archaeology of Egypt / Egyptology 18 (08):2758-75. https://www.archives.palarch.nl/index.php/jae/article/view/9237.