Šoltés, Erik, and Mária Vojtková. “Work Intensity in Slovakia in Relationship With Socio-Economic Characteristics of Households”. Entrepreneurial Business and Economics Review 6, no. 1 (March 28, 2018): 115–134. Accessed August 12, 2025. https://eber.uek.krakow.pl/index.php/eber/article/view/347.