ADEYEYE OSHIN, M.; SEHLOHO, N. An Indoor Positioning System Using Multiple Methods and Tools. International Journal of Information, Communication Technology and Applications, [S. l.], v. 4, n. 1, p. 11-22, 2018. DOI: 10.17972/ijicta20184134. Disponível em: https://ijicta.org/index.php/ijicta/article/view/34. Acesso em: 27 jan. 2021.