Rahmawaty, Nina, and Mandataris. “Influence Mix Marketing Against Room Sales Volume at the Harmoni Indragiri Hotels”. ProBisnis : Jurnal Manajemen 14, no. 6 (December 30, 2023): 780–789. Accessed November 21, 2024. https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/395.