Martínez Delgado, E. and Lauzardo Rico, J. (2006) “ // The client service: a prevailing necessity in the quality of the industry”., Mechanical Engineering (Ingeniería Mecánica), 9(2), pp. 49–54. Available at: https://ingenieriamecanica.cujae.edu.cu/index.php/revistaim/article/view/158 (Accessed: 16 August 2021).