SANTOS, Kim Edward S.; DAVID, Leodegario M. Difficulties and Problems Encountered in ISO 9001:2015 implementation in the Philippines. International Journal of Advanced Engineering Research and Science, [S. l.], v. 8, n. 5, 2021. Disponível em: https://journal-repository.com/index.php/ijaers/article/view/3756.. Acesso em: 22 jul. 2024.