Pane, Muhammad Mulyadi. “Strategi Komunikasi Pemasaran Hotel Grand Sarah Pada Masa Pandemi Covid-19”. Jurnal Multidisiplin West Science 2, no. 04 (April 30, 2023): 291–301. Diakses Desember 22, 2024. https://wnj.westscience-press.com/index.php/jmws/article/view/284.