Optimal proportioning of iron ore in sintering process based on improved multi-objective beluga whale optimisation algorithm - Li, Zong-ping; Li, Xu-dong; Yan, Xue-tong; Wen, Wu; Zeng, Xiao-xin; Zhu, Rong-jia; Wang, Ya-hui; Yi, Ling-zhi (Journal of Iron and Steel Research International, 2024)