S. S. ANUGRAGHA; DR. E. SAMBASIVAN. A Study on Effectiveness of Promotional Strategies towards Relationship Marketing in Super Markets of Top Four Cities in Tamil Nadu. International Journal of Management Studies (IJMS), [S. l.], v. 5, n. 1(4), p. 84–89, 2021. Disponível em: https://www.researchersworld.com/index.php/ijms/article/view/1682. Acesso em: 7 aug. 2025.