Siagian, Yessica Viona. “Human Resource Development Strategy in Improving the Performance of Food And Beverage Services Department Employees at Ibis Styles Medan Pattimura”. Jurnal Online Mahasiswa 1, no. 3 (July 3, 2023). Accessed May 19, 2024. http://jom.poltekparmedan.ac.id/index.php/jomph/article/view/45.