Diófási-Kovács O, Valkó L. Furthering sustainable development: The implementation of Green Procurement in Central and Eastern Europe Methods and Experiences from Hungarian Public and Private Organizations. PROBL EKOROZW [Internet]. 2015 Jul. 1 [cited 2024 Jul. 22];10(2):115-26. Available from: https://ph.pollub.pl/index.php/preko/article/view/4915