BOROWSKI, Krzysztof. An Analysis of Selected Seasonal Rates of Return on the Silver Market from 30.10.2003 to 31.12.2013. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, Krakow, n. 1(937), p. 5–26, 2015. DOI: 10.15678/ZNUEK.2015.0937.0101. Disponível em: https://krem.uek.krakow.pl/index.php/krem/article/view/461.. Acesso em: 20 sep. 2024.