Modiga, A, and A Mwamba. 2022. “The Effect of Titanium Slag on the Properties of Glass-Ceramic Composites from South African Coal Fly Ash”. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt; 40 (1), 31-36. http://satnt.co.za/index.php/satnt/article/view/874.