Lena, Pratika Martha, and Hayu Lusianawati. “Public Relations Strategy in Improving Reputation of Crystal Hotel”. The Eastasouth Management and Business 3, no. 01 (September 30, 2024): 22–30. Accessed January 9, 2026. https://esj.eastasouth-institute.com/index.php/esmb/article/view/337.