Rojas-Vargas, Armando, Aymara Ricardo-Riverón, Yudith González-Díaz, and Benigno Labrada-Vázquez. 2024. “Uncertainty of Nickel Chemical Analysis in Paired Samples of Lateritic Ore, NiS and NiO by Linear Regression”. Chemical Technology 44 (3), 438-52. https://tecnologiaquimica.uo.edu.cu/index.php/tq/article/view/5420.