LIU, Ran. A Reappraisal on Marketing Definition and Marketing Theory. Journal of Eastern European and Central Asian Research (JEECAR), [S. l.], v. 4, n. 2, p. 7, 2017. DOI: 10.15549/jeecar.v4i2.170. Disponível em: https://ieeca.org/journal/index.php/JEECAR/article/view/170. Acesso em: 29 apr. 2024.