Sihombing, D., S. G. . Tambunan, and K. Y. . Sinay. “Analysis of Work Motivation of Room Division Employees and Service Quality Room on Guest Satisfaction”. Journal of Management Science (JMAS), vol. 8, no. 1, Jan. 2025, pp. 348-56, https://www.exsys.iocspublisher.org/index.php/JMAS/article/view/645.