Montoya-Reyes, M. I., Ceballos-Corral, J., Mendoza-Muñoz, I. and Vargas-Bernal, O. Y. (2022) “Correlation analysis of the life time of coolant used in CNC machines and productivity in the metallic industry of Mexicali”, Revista de Ciencias Tecnológicas, 5(4), p. e218. doi: 10.37636/recit.v5n4e218.