W. S. Samudera, G. V. Fernandez, R. Fitriyah, H. Arifin, S. M. Wulandari, and R. A. Permana, “The Benefits of Fasting to Improve Health Conditions and to Prevent Cardiovascular Disease”, J. Ners, vol. 14, no. 3, pp. 383–387, Jan. 2020.