Nuraeni, Aan, Suryani Suryani, Yanny Trisyani, and Iqbal Pramukti. 2021. “Social and Emotional Support Highly Associated With Helplessness Among Coronary Heart Disease Patients”. Open Access Macedonian Journal of Medical Sciences 9 (T6):1-6. https://doi.org/10.3889/oamjms.2021.7308.