[1]
Abreo Rojas, N. and Pinzón Rodríguez, N.N. 2017. Guide for the implementation of NTC ISO 9001:2008, NTC ISO 14001:2004 and NTC OHSAS 18001:2007, based on the findings of certification audits carried out by ICONTEC between june 2012 and june 2015. SIGNOS-Investigación en Sistemas de Gestión. 9, 2 (Dec. 2017), 149–158. DOI:https://doi.org/10.15332/s2145-1389.2017.0002.09.