Waller, Nico Schinagl. “Return On Marketing Investment Driven Sponsorship: Optimizing This Marketing Investment In Latin America”. Journal of Business Case Studies (JBCS) 3, no. 2 (April 1, 2007): 41–48. Accessed July 18, 2024. https://clutejournals.com/index.php/JBCS/article/view/4841.