AN INVESTIGATION OF PHYSICOCHEMICAL CHARACTRIZATION OF OTUKPO CLAY FOR FIRED BRICK PRODUCTION IN OTUKPO LOCAL GOVERNMENT AREA OF BENUE STATE . iijp [Internet]. 2026 Feb. 27 [cited 2026 Oct. 1];2(issue 1):656-67. Available from: https://impactinternationaljournals.com/index.php/ojs/article/view/245