Sasongko, Sarashvati A., and Gustaaf P. Sevenhuysen. “Body Mass and Physical Performance in Urban Indonesian Children 10 - 12 Years”. Medical Journal of Indonesia 3, no. 1 (January 1, 1994): 18-24. Accessed May 3, 2024. http://mji.ui.ac.id/journal/index.php/mji/article/view/937.