JIANTING, R. .; FENG, G. Marketing Mix Analysis for Goethe Institute Based on 4P and 4C Theory . Journal of International Studies, Prince of Songkla University, [S. l.], v. 2, n. 1, p. 55–64, 2012. Disponível em: https://so03.tci-thaijo.org/index.php/jis/article/view/246605. Acesso em: 7 may. 2024.