Pla-Barber, J., C. Villar García, y R. Royo. Lecciones Para Competir En Sectores Manufactureros Tradicionales: El Caso De Royo Group International Bathroom. UCJC Business and Society Review (formerly Known As Universia Business Review), Vol. 16, n.º 2, July 2019, pp. 40-81, https://journals.ucjc.edu/ubr/article/view/3984.