Rinawati, Rinawati, and Lidia Silaban. “Development of the ‘Rehcardicare’ Application for Post-Coronary Rehabilitation Artery Bypass Graft for Improving Cardiac Endurance Through Resistance and Flexibility Training”. International Journal of Health and Pharmaceutical (IJHP), vol. 5, no. 4, Dec. 2025, pp. 26-36, doi:10.51601/ijhp.v6i1.514.