ASTI, Asti; HAIDAR, Kadori; PERMATASARI, Indah; ADRIANI, Muhammad Arya Dwiki Ressa. Pengaruh Marketing Mix 4P (Product, Price, Place, Dan Promotion) Terhadap Loyalitas Pelanggan Pada Usaha Kopijadi Di Kota Samarinda. Indonesian Journal of Innovation Multidisipliner Research, [S. l.], v. 4, n. 2, p. 3983–3992, 2026. DOI: 10.69693/ijim.v4i2.836. Disponível em: https://multidisipliner.org/ijim/article/view/836. Acesso em: 10 oct. 2026.