ЮЛДАШЕВА, Т. А. Integral indicator of efficiency of cyclic type systems. Technology audit and production reserves, [S. l.], v. 4, n. 1(6), p. 25–26, 2012. DOI: 10.15587/2312-8372.2012.4777. Disponível em: https://journals.uran.ua/tarp/article/view/4777. Acesso em: 3 may. 2024.