Setyawan, S. A., Hudayah, S. and Zainurossalamia, S. (2023) “The Influence of Direct Marketing, Digital Marketing and Insta-gram Celebrity Support on Purchase Decisions in Samarinda City, Indonesia”, Journal of Madani Society, 2(1), pp. 26–33. doi: 10.56225/jmsc.v2i1.175.