Rutkauskas, Aleksandras Vytautas, and Adomas Ginevičius. “Integrated Management of Marketing Risk and Efficiency”. Journal of Business Economics and Management 12, no. 1 (April 12, 2011): 5-23. Accessed October 5, 2024. https://ijspm.vgtu.lt/index.php/JBEM/article/view/4979.