Albert Díaz, M. E., and M. Hernández Torres. “ Tool for the Implementation and the Strategic Control”. Mechanical Engineering (Ingeniería Mecánica) 9, no. 1 (January 2, 2006): 47–50. Accessed August 16, 2021. https://ingenieriamecanica.cujae.edu.cu/index.php/revistaim/article/view/148.