MOHAMMAD, A. R. A.; HATIM, A. J.; SARSAM, M.N.; MOHAMMED, K. A. Evaluating the Relationship Between GPS Output and Planimetry System. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 19, n. 3, p. 1–8, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1612. Acesso em: 4 apr. 2025.