Effect of CaF2 on the aggregation and growth of ferronickel particles in the self-reduction of Nickel laterite oreGuihua Hang, Zhengliang Xue, Ying Jiang Wu and Bo ZhangMetall. Res. Technol., 118 4 (2021) 407DOI: https://doi.org/10.1051/metal/2021050