A Functional Theory Perspective on Customers Attitude Towards Sales Promotion in Visakhapatnam. Journal of Namibian Studies : History Politics Culture, [S. l.], v. 32, p. 92–109, 2022. DOI: 10.59670/jns.v32i.4681. Disponível em: https://namibian-studies.com/index.php/JNS/article/view/4681. Acesso em: 31 mar. 2025.