Tetiana Bludova, Andrii Chuzhykov, Alla Medvedieva, Svitlana Usherenko (2020) “Global Advertising Costs Diversification Model”, International Journal of Advanced Science and Technology, 29(3), pp. 11551 - 11565. Available at: http://sersc.org/journals/index.php/IJAST/article/view/29826 (Accessed: 3May2024).