“Strategi Pemasaran Syariah Untuk Augmented Products (Studi Kasus Hotel Sakinah)”, JEKWS, vol. 1, no. 01, hlm. 30–45, Jan 2023, Diakses: 5 April 2026. [Daring]. Tersedia pada: https://wnj.westsciences.com/index.php/jekws/article/view/141