Astini, Widha, and Hijriyantomi Suyuthie. “Strategi Pemasaran Di Hotel Four Points by Sheraton Jakarta Pada Masa Covid-19”. JURNAL KAJIAN PARIWISATA DAN BISNIS PERHOTELAN 2, no. 2 (August 29, 2021): 116-126. Accessed November 20, 2024. http://jkpbp.ppj.unp.ac.id/index.php/JKPBP/article/view/293.