J. Sequeiros et al., "Applying deep learning techniques to forecast purchases in the Portuguese national health service", in Operational Research: IO 2022—OR in Turbulent Times: Adaptation and Resilience. XXII Congr. of APDIO, João Paulo Almeida, Filipe Pereira e Alvelos, Jorge Orestes Cerdeira, Samuel Moniz, Cristina Requejo, Ed., Cham, Springer, 2024, vol. 437, pp. 179-192