อิ่มประเสริฐ ก. Factors of Direct Marketing Influenced Purchasing Behavior of the Consumers in Bangkruai District Nonthaburi Province. Journal of Humanities and Social Sciences, Rajapruk University, [S. l.], v. 4, n. 1, p. 122–134, 2018. Disponível em: https://so03.tci-thaijo.org/index.php/rpu/article/view/125765. Acesso em: 29 apr. 2024.