Abdullah, Abdullah, Abubakar Betan, Yanti Mustarin, Susi Susanti, and Nur Ambiy. “Effectiveness of Progressive Muscle Relaxation Therapy on Reducing Violent Behavior in Schizophrenia Patients: A Quasi-Experimental Study”. Jurnal Ilmiah Kesehatan Sandi Husada 15, no. 2 (July 15, 2026): 446–454. Accessed October 13, 2026. https://jurnal.edi.or.id/index.php/jiksh/article/view/333.