Erdélyi, Éva, és Judit Lovasné Avató. „A New Trend in Education and Research at Budapest Business School: Green Catering”. GEORGIKON FOR AGRICULTURE 23, no. 2 (november 7, 2019): 16–30. Elérés december 19, 2025. https://journal.uni-mate.hu/index.php/gfa/article/view/6305.