EVALUATION OF HANDHELD GPS AND DGPS ACCURACY FOR PLANIMETRIC MAPPING AT NACEST, MAKURDI, BENUE STATE. BSP Journal of Multidisciplinary Research (BSPJMR), [S. l.], v. 1, n. 1, 2025. Disponível em: https://iahiservices.com/journal/index.php/BSPJMR/article/view/20. Acesso em: 23 jan. 2025.