Elmukhsinur, E., Rosy, A., Julita, S., Heltty, H. and Magdalena, M. 2026. THE INFLUENCE OF VIDEO-BASED EDUCATION AND LEAFLETS ON IMPROVING FAMILY KNOWLEDGE AND ATTITUDES IN THE PREVENTION OF CORONARY HEART DISEASE. JKEP. 11, 1 (May 2026), 243-247. DOI:https://doi.org/10.32668/jkep.v11i1.2337.