Blažková, Ivana, and Ondřej Dvouletý. “SECTORAL AND FIRM-LEVEL DETERMINANTS OF PROFITABILITY: A MULTILEVEL APPROACH”. International Journal of Entrepreneurial Knowledge 6, no. 2 (December 31, 2018). Accessed December 22, 2024. https://ijek.org/index.php/IJEK/article/view/76.