Wulandari S, Pandang A, Amirullah M, Abdullah AR. Improving Assertive Communication Through Role-Playing Based Group Guidance for Students Who Are Victims of Verbal Bullying. ProGCouns [Internet]. 2026 May 31 [cited 2026 Jul. 8];7(1):44-55. Available from: https://jurnal.uny.ac.id/index.php/progcouns/article/view/97857