Trujillo Suárez, F.A. and Pedraza Nájar, X.L. 2019. Articulation between NTC - ISO 9001:2015 and the program accreditation guidelines of CNA in Unitrópico. SIGNOS-Investigación en Sistemas de Gestión. 11, 2 (Jun. 2019), 119–130. DOI:https://doi.org/10.15332/24631140.5085.