siregar, S., Z. . Effendi, and S. A. . Mardiyah. “A Comparison of the Effectiveness of Cognitive Behavior Therapy and Assertive Training Against the Ability to Control Violent Behavior in Schizophrenic Patients”. Jurnal Ilmu Kesehatan Masyarakat, vol. 11, no. 3, Nov. 2020, pp. 210-22, doi:10.26553/jikm.2020.11.3.210-222.