Setyawan, Suska Ari, Syarifah Hudayah, and Saida Zainurossalamia. “The Influence of Direct Marketing, Digital Marketing and Insta-Gram Celebrity Support on Purchase Decisions in Samarinda City, Indonesia”. Journal of Madani Society 2, no. 1 (April 30, 2023): 26–33. Accessed February 28, 2024. https://journal.srnintellectual.com/index.php/jmsc/article/view/175.