Kusmana, Dede. “The Influence of Smoking Cessation, Regular Physical Exercise and/or Physical Activity on Survival: A 13 Years Cohort Study of the Indonesian Population in Jakarta”. Medical Journal of Indonesia 11, no. 4 (November 1, 2002): 230-41. Accessed October 11, 2024. http://mji.ui.ac.id/journal/index.php/mji/article/view/78.