Πέκκα - Οικονόμου Β. and Σολδάτος Γ. Θ. (1999) “Advertising quality and market share”, SPOUDAI Journal of Economics and Business, 49(1-4), pp. 67–76. Available at: http://spoudai.org/index.php/journal/article/view/520 (Accessed: 20 September 2024).