Effort estimation for complex business logic migration in legacy systems: a case study of hospital information system modules in Ukraine. Informatics. Culture. Technology, [S. l.], v. 3, n. 1 (3), p. 461–481, 2026. DOI: 10.15276/ict.03.2026.36. Disponível em: https://ict.od.ua/index.php/journal/article/view/121. Acesso em: 16 sep. 2026.