Almeida, C. C. de and Varvakis, G. (2005) “VALUE AND INFORMATION SCIENCE: INFORMATION SERVICES BASED ON THE MANAGEMENT OF THE SERVICES OPERATIONS”, Informação & Sociedade, 15(1). Available at: https://periodicos.ufpb.br/ojs/index.php/ies/article/view/52 (Accessed: 29 May 2024).