P. Filipe et al.,  "loT system for the validation of conditions in shipping couriers", in 2022 IEEE 28th Int. Conf. on Engineering, Technology and Innovation (ICE/ITMC) & 31st Int. Association For Management of Technology (IAMOT) Joint Conf., Morel, L., Dupont, L., and Camargo, M., Ed., Nancy, France, IEEE, 2022