Lubis, Vebry Haryati, Ofi Hidayat, Sony Tian Dhora, Asnawati, and Rudy Effendi Listiyanto. 2022. “Digital Marketing Analysis in the Hospitality Industry: Big Data Optimization”. ENDLESS: INTERNATIONAL JOURNAL OF FUTURE STUDIES 5 (3):290-98. https://endless-journal.com/index.php/endless/article/view/115.