NANWIN, D. N.; OFOR, . W. D.; EKUASE, U. E. A Framework for an Electronic Marketing Delivery System Using Drone. International Journal on Human-Computing Studies, [S. l.], v. 3, n. 3, p. 18–25, 2021. DOI: 10.31149/ijhcs.v3i3.1850. Disponível em: https://journals.researchparks.org/index.php/IJHCS/article/view/1850. Acesso em: 2 oct. 2026.