Cardenas Escorcia Y, Valencia-Ochoa G, Acevedo Penaloza Carlos H. A Systematic Procedure to Combine the Integral Management Systems in a Services Sector Company. Chemical Engineering Transactions [Internet]. 1Sep.2018 [cited 30Jun.2024];67:373-8. Available from: https://www.cetjournal.it/index.php/cet/article/view/CET1867063