Marpaung, Annaria Magdalena, Cecilia Valentina Sri Hadi, and Bintang Sahala Marpaung. “Impact The Covid 19 Pandemic on the Tourism Business Stakeholders Performance in Bogor City”. Jurnal Ilmiah Manajemen Kesatuan 12, no. 4 (August 3, 2024): 1147 –1156. Accessed June 4, 2026. https://jurnal.ibik.ac.id/index.php/jimkes/article/view/2412.