Ndirangu, D.M., Kenduiywo, B.K. and Waithaka, E.H. 2020. A web-based GIS portal for simulating geodetic control networks in Republic of Kenya. Geodesy and Cartography. 46, 4 (Dec. 2020), 170-181. DOI:https://doi.org/10.3846/gac.2020.11211.