GURUNG, B. Impact of Sustainable Marketing Activities on Customer Retention. KMC Journal, [S. l.], v. 5, n. 2, p. 139–156, 2023. DOI: 10.3126/kmcj.v5i2.58235. Disponível em: https://nepjol.info/index.php/kmcj/article/view/58235. Acesso em: 17 jul. 2024.