Victus N. Uzodinma and Uchechukwu Nwafor (2021) “Degradation of GNSS Accuracy by Multipath and Tree Canopy Distortions in a School Environment: A Recent Study”, Challenging Issues on Environment and Earth Science Vol. 4, pp. 68–77. doi: 10.9734/bpi/ciees/v4/9395D.