DETERMINATION OF THE WORK INDEX OF ZURAK LEAD –ZINC ORE, PLATEAU STATE, NIGERIA . Journal of Metallurgy and Materials Engineering , [S. l.], v. 11, n. 1, p. 18–22, 2024. Disponível em: https://jmme.nigerianmetsociety.org/index.php/home/article/view/14.. Acesso em: 18 oct. 2024.