VARADHAN, S. INVENTION OF DIGITAL SWITCH THROUGH MOBILE APP TO UPDATE NEW PHONE NUMBER. MATTER: International Journal of Science and Technology, [S. l.], v. 4, n. 1, p. 155–161, 2018. DOI: 10.20319/mijst.2018.41.155161. Disponível em: https://www.grdspublishing.org/index.php/matter/article/view/1721. Acesso em: 19 may. 2024.