“EVALUATION OF HANDHELD GPS AND DGPS ACCURACY FOR PLANIMETRIC MAPPING AT NACEST, MAKURDI, BENUE STATE”. BSP Journal of Multidisciplinary Research (BSPJMR) 1, no. 1 (January 8, 2025). Accessed January 23, 2025. https://iahiservices.com/journal/index.php/BSPJMR/article/view/20.