COFINO, Chester L.; ATILLO, Guilbert Nicanor A.; VELOS, Severina P.. e-XTENSION: A Virtual Learning Environment (VLE) System for a State University. International Journal of Computing Sciences Research, [S.l.], v. 5, p. 663-678, feb. 2021. ISSN 2546-115X. Available at: <//stepacademic.net/ijcsr/article/view/229>. Date accessed: 19 apr. 2024.