Ramadhan, Muhammad Raihan, and Rully Arifiansyah. “PENGARUH KUALITAS PRODUK, KUALITAS PELAYANAN DAN PROMOSI TERHADAP KEPUASAN PELANGGAN DI SOFIA RESTAURANT JAKARTA”. Humantech : Jurnal Ilmiah Multidisiplin Indonesia 1, no. 11 (September 25, 2022): 1667–1682. Accessed July 22, 2024. https://journal.ikopin.ac.id/index.php/humantech/article/view/2118.