MITCHELL, T.; OLSEN, H. The Elasticity Of Marketing Return On Investment. Journal of Business & Economics Research (JBER), [S. l.], v. 11, n. 10, p. 435–444, 2013. DOI: 10.19030/jber.v11i10.8116. Disponível em: https://clutejournals.com/index.php/JBER/article/view/8116. Acesso em: 18 jul. 2024.