Krizanova, Anna, Lubica Gajanova, Margareta Nadanyiova, and Katarina Kramarova. “Study of Green Marketing Principles and Their Implementation in the Selected Slovak Companies”. Global Journal of Business, Economics and Management: Current Issues 6, no. 2 (November 4, 2016): 78–85. Accessed May 19, 2024. https://un-pub.eu/ojs/index.php/gjbem/article/view/1371.