Liza, Ledya Oktavia, M. Arli Rusandi, Dominikus David Biondi Situmorang, and Ifdil Ifdil. “The Effectiveness of Cognitive Behavior Therapy Group Counseling Using Problem Solving Techniques to Improve the Resilience of First-Year Students at University”. COUNS-EDU: The International Journal of Counseling and Education 8, no. 2 (July 28, 2023). Accessed July 31, 2025. https://counsedu.iicet.org/index.php/counsedu/article/view/416.