Umar, Umar. “Crisis Communication on Yayasan Dunia Mega Bintang’s Cyber Public Relations: Case Study to Aurra Kharisma’s Cyberbullying”. Ultimacomm: Jurnal Ilmu Komunikasi 14, no. 1 (July 1, 2022): 104–123. Accessed August 6, 2025. https://ejournals.umn.ac.id/index.php/FIKOM/article/view/2572.