RAO, Santhosha; A, Smitha; KULKARNI, Kunal. Smart Phone based Cost Effective Visitor Management System for Smart Offices. International Journal of Interactive Mobile Technologies (iJIM), [S. l.], v. 12, n. 6, p. pp. 112–123, 2018. DOI: 10.3991/ijim.v12i6.9476. Disponível em: https://online-journals.org/index.php/i-jim/article/view/9476. Acesso em: 3 may. 2024.