Wahyu, Muhammad, and Ahmad Tamrin Sikumbang. “Communication Strategy of the Deli Serdang Department of Culture, Youth, Sports and Tourism in Increasing Post-Covid-19 Tourist Visits”. LEGAL BRIEF 11, no. 3 (August 15, 2022): 1660–1664. Accessed January 16, 2025. https://legal.isha.or.id/index.php/legal/article/view/379.