Lestari, Hani, Suadi Putra, and Kumba Digdowiseiso. “Pengaruh Komunikasi Pemasaran, Inovasi Produk, Dan Citra Perusahaan Terhadap Loyalitas Pelanggan Dua Coffee”. Reslaj : Religion Education Social Laa Roiba Journal 6, no. 2 (November 22, 2023): 1043-1052. Accessed July 3, 2024. https://journal.laaroiba.ac.id/index.php/reslaj/article/view/5566.