Dissolution and Kinetic Study of Lithium Leaching from β-Spodumene Waste Using Citric AcidMifta Ulul Azmi, Chi Phan, Chau Chun Beh and Richard Diaz AlorroE3S Web Conf., 693 (2026) 02002DOI: https://doi.org/10.1051/e3sconf/202669302002