SEISMIC REFRACTION SURVEY FOR FOUNDATION INVESTIGATION AT AHMADU BELLO UNIVERSITY ZARIA PHASE II, KADUNA STATE, NIGERIA. FJS [Internet]. 2023 Apr. 10 [cited 2025 Sep. 8];3(3):161-7. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1553