Nwosu J, Nwankwoala H. Influence of Construction Materials on Cut-Off Grade and Ore Reserve Determination: CaseStudy of Itakpe Deposit, CentralNigeria. as [Internet]. 2018Dec.31 [cited 2024Dec.23];1(8):100-. Available from: http://cpcontacts.ijrdo.org/index.php/as/article/view/2348