VARADHAN, Sriram. Next Generation App to Update Phone Number Automatically to all Contacts. RA Journal of Applied Research, [S. l.], v. 4, n. 01, p. 1360–1368, 2018. Disponível em: https://rajournals.in/index.php/rajar/article/view/106. Acesso em: 24 oct. 2026.