PREMO, K. M.; KING, D. L. Zippo Case Study: Where Have All The Smokers Gone?. Journal of Business Case Studies (JBCS), [S. l.], v. 4, n. 9, p. 1–10, 2008. DOI: 10.19030/jbcs.v4i9.4803. Disponível em: https://clutejournals.com/index.php/JBCS/article/view/4803. Acesso em: 18 jul. 2024.