SISILIA LOU KELEN, Maria; SULTAN, Taqwa; KABANGA, Margaretha Sartien. Social Marketing Strategy Through Digital Campaigns as an Effort to Reduce Plastic Waste in Kupang City. Economics and Digital Business Review, [S. l.], v. 7, n. 2, p. 964–975, 2026. DOI: 10.37531/ecotal.v7i2.4174. Disponível em: https://ojs.stieamkop.ac.id/index.php/ecotal/article/view/4174. Acesso em: 22 sep. 2026.