TIWARI, T.; TIWARI, M. Current Economic Slowdown and Opportunities for Cost Effective Services and Products using Technological Inventions: An Empirical Study. International Journal of Economics and Financial Issues, [S. l.], v. 10, n. 5, p. 121–129, 2020. Disponível em: https://mail.econjournals.com/index.php/ijefi/article/view/10460. Acesso em: 6 jul. 2024.