Levin, Elizabeth, Antonio Lobo, and Park Thaichon. “Enhancing Client Loyalty of Advertising Agencies: The Influence of Creativity and Inter-Firm Relationships”. The journal of contemporary issues in business and government 22, no. 1 (December 30, 2016): 6–22. Accessed June 12, 2025. https://cibgp.com/index.php/1323-6903/article/view/113.