Sidiarto, Lily D., Sidiarto Kusumoputro, Samino Samino, Ruswaldi Munir, and Wahjudi Nugroho. “The Efficacy of Specific Patterns of Movements and Brain Exercises on the Cognitive Performance of Healthy Senior Citizen in Jakarta”. Medical Journal of Indonesia 12, no. 3 (August 1, 2003): 155-61. Accessed April 20, 2024. http://mji.ui.ac.id/journal/index.php/mji/article/view/107.