Polereczki, Z., Roznik, H., Szabó, G., & Szakály, Z. (2005). Analysis of the groceries from different point of wiev on the south transdanubian region with mystery shopping method. Acta Agraria Kaposváriensis, 9(1), 107-122. https://journal.uni-mate.hu/index.php/aak/article/view/1740