Widok standardowy
Widok MARC
Stepan, John.(Hasło osobowe)
The impact of copper price variation on the economic efficiency and environmental sustainability of KGHM operations / John Stepan // Ekonomia i Środowisko. - 2016, nr 4(59), s. 194-207
Linkedin, 26.05.2023 https://www.linkedin.com/in/john-stepan-51549b1/?originalSubdomain=pl