Diófási, O. and Valkó, L. (2011) “Green (public) procurement in practice - methods and tools for the successful implementation”,
REGIONAL AND BUSINESS STUDIES, 3(2 Suppl.), pp. 11–23. Available at:
https://journal.uni-mate.hu/index.php/rbs/article/view/540 (Accessed: 25 April 2025).