Díaz-Madroñero, M., Mula, J. and Poler, R. (1) “Sustainable Supply Chain Management in the Book Publishing Sector”, Brazilian Journal of Operations & Production Management, 9(2), pp. 39-50. Available at: https://bjopm.emnuvens.com.br/bjopm/article/view/V9N2A4 (Accessed: 23April2019).