Muklisoh, W.L.L. and Erliana, U.D. 2026. Association Between Potassium Intake and Potassium Serum Levels Among Hospitalized Patients with Heart Disease at Jombang General Hospital. Journal of Nutrition Explorations. 4, 3 (Jul. 2026), 361–373. DOI:https://doi.org/10.36568/jone.v4i3.747.