Hedi, I., Cirikovic, E. ., Borkovic, Z., & Filjar, R. . (2023). A method for Assemblage of an Open Access Data Set for Research in Geomagnetic Effects on GPS/GNSS Ionospheric Delay in Sub-equatorial Regions. The Journal of CIEES, 3(1), 7–11. https://doi.org/10.48149/jciees.2023.3.1.1