FRYAD, R.; MAGHDID, H. .; TAHIR SABIR, A. . Indoors Smartphone Positioning Enhancement Using Wi-Fi and Magnetometer. Polytechnic Journal, [S. l.], v. 13, n. 1, p. 1-13, 2023. DOI: 10.25156/ptj.v13i1.900. Disponível em: https://journals.epu.edu.iq/index.php/polytechnic/article/view/900. Acesso em: 16 may. 2024.