Gusmarta, Gusmarta, et al. “Effectiveness of Thermotherapy in Reducing Pain in Patients With Acute Coronary Syndrome: A Quasi-Experimental Study”. Jurnal Keperawatan Komprehensif (Comprehensive Nursing Journal), vol. 11, no. 3, July 2025, pp. 360-7, doi:10.33755/jkk.v11i3.826.