Mustofa, Syazili, and Nanda Apri Sani. “Preparation for Retirement Period, The Importance of Increasing Knowledge of Healthy Lifestyles and Overcoming Health Problems at Retirement Age”. Medical Profession Journal of Lampung 14, no. 1 (January 29, 2024): 196-204. Accessed December 21, 2024. http://journalofmedula.com/index.php/medula/article/view/826.