Oluyori PD, Eteje SO. IMPROVING THE LOCAL GEOMETRIC GEOID MODEL OF FCT ABUJA ACCURACY BY FITTING A HIGHER ORDER/DEGREE POLYNOMIAL SURFACE. FJS [Internet]. 2020Sep.11 [cited 2024May5];4(3):114 -20. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/276