Belkheiri, D., and S. Chhaiba. “Energy Contribution of Coal Waste Recycled With Limestone to Produce a Portland Clinker”. Materiales de Construcción 74, no. 355 (November 4, 2024): e352. Accessed January 22, 2025. https://materconstrucc.revistas.csic.es/index.php/materconstrucc/article/view/3769.