Moelyo, Annang Giri, Andre Christiawan Susanto, Bella Monika Rajagukguk, and Jonathan Billy Christian Tjiayadi. “Knee Height and Knee height/Height Ratio of Healthy Schoolchildren”. Paediatrica Indonesiana 60, no. 5 (July 29, 2020): 233–8. Accessed April 21, 2025. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/2387.