RAVI MANI. CLOUD MIGRATION STRATEGIES FOR LEGACY BILLING SYSTEMS: A TECHNICAL DEEP DIVE. INTERNATIONAL JOURNAL OF RESEARCH IN COMPUTER APPLICATIONS AND INFORMATION TECHNOLOGY (IJRCAIT), [S. l.], v. 8, n. 1, p. 1628–1643, 2025. Disponível em: http://ijrcait.com/index.php/home/article/view/IJRCAIT_08_01_119.. Acesso em: 3 sep. 2025.