Chang, Yongfeng, Kun Zhao, and Batric Pesic. 2016. “SELECTIVE LEACHING OF NICKEL FROM PREREDUCED LIMONITIC LATERITE UNDER MODERATE HPAL CONDITIONS- Part I: Dissolution”. Journal of Mining and Metallurgy, Section B: Metallurgy 52 (2), 127-34. https://aseestant.ceon.rs/index.php/jmm/article/view/9390.