Control cuantitativo de la calidad en una empresa del sector servicios = Quantitative quality control in a company of the service industry. Pecvnia [Internet]. 2013 Dec. 1 [cited 2026 Apr. 28];(16/17):197-215. Available from: https://revpubli.unileon.es/ojs/index.php/Pecvnia/article/view/1341