RODIONOV, D. G.; KUDRYAVTSEVA, T. J. Factors of the Effective Development of the St. Petersburg Instrument Engineering Cluster. International Journal of Economics and Financial Issues, [S. l.], v. 6, n. 2S, p. 298–306, 2016. Disponível em: https://econjournals.com/index.php/ijefi/article/view/2567. Acesso em: 18 apr. 2024.