Seixas Sardinha, Luís Filipe, Débora Micaela Faria Silva, Mónica Maria Canada Martins, Pedro Henrique Sousa Nascimento, and Paulo Sérgio Silva Santos. 2020. “Marketing Plan Proposal for a Digital Application Developed for Supermarket Chains in Autonomous Region of Madeira”. E3 — Revista De Economia, Empresas E Empreendedores Na CPLP 5 (2):39-60. https://doi.org/10.29073/e3.v5i2.213.