Umar, A. M., et al. “CHARACTERIZATION OF BAKIN RUWA ZIRCON SAND FOR THE PRODUCTION OF DENSE ALUMINO-SILICATE REFRACTORY BRICK FOR FOUNDRY APPLICATION”. International Journal of Global Affairs, Research and Development, vol. 1, no. 2, Jan. 2024, pp. 68-78, https://ijgard.com/index.php/ijgard/article/view/31.