Simanjuntak, Sonia Benedicta. “Analysis Of Travel Business Competitive Strategy (Case Study In PT. Jasa Tour And Travel Medan)”. Inspirasi & Strategi (INSPIRAT): Jurnal Kebijakan Publik & Bisnis 12, no. 2 (January 30, 2022): 31–36. Accessed August 26, 2026. https://ejournal.isha.or.id/index.php/Inspirat/article/view/56.