Pratiwi, H., A. Khomsan, S. A. Marliyati, and M. Dewi. “Development and Validation of the Healthy Lifestyles Knowledge Questionnaire for Elderly at Risk of Heart Disease ”. Media Publikasi Promosi Kesehatan Indonesia (MPPKI), Vol. 9, no. 3, Mar. 2026, pp. 556-68, doi:10.56338/mppki.v9i3.8732.