Ndirangu, David Maina, Benson Kipkemboi Kenduiywo, and Edward Hunja Waithaka. “A Web-Based GIS Portal for Simulating Geodetic Control Networks in Republic of Kenya”. Geodesy and Cartography 46, no. 4 (December 22, 2020): 170-181. Accessed January 9, 2025. https://jest.vgtu.lt/index.php/GAC/article/view/11211.