Narendra, M., P. Basuki, L. Soeharjono, and E. Ghozali. “Risk Taking Behavior of Adolescents in Indonesia (Country Report)”. Paediatrica Indonesiana, Vol. 30, no. 11-12, Aug. 2018, pp. 319-24, https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/1958.