Calderón Cifuentes, J. R., Guerrero Calvache, M. and Nupan Piandoy, D. A. (2018) “Support in the implementation of the Order and Cleaning Management program ‘5 S’ UNIMAR”, Boletí­n Informativo CEI, 5(2), pp. 72–73. Available at: https://revistas.umariana.edu.co/index.php/BoletinInformativoCEI/article/view/1654 (Accessed: 16 May 2024).