SONAL WALIA, PUSHPINDER SINGH GILL. Empirical Assessment of Celebrity-Backed Surrogate Advertising Effectiveness. European Economic Letters (EEL), [S. l.], v. 13, n. 3, p. 1887–1893, 2023. DOI: 10.52783/eel.v13i3.570. Disponível em: https://eelet.org.uk/index.php/journal/article/view/570. Acesso em: 1 dec. 2025.