Ayuningrum, I., and W. Sudaryanto. “A Descriptive Study of Smoking Behavior in School-Aged Children in Indonesia: Analysis of the 2019 Global Youth Tobacco Survey”. Paediatrica Indonesiana, Vol. 63, no. 6, Dec. 2023, pp. 506-10, doi:10.14238/pi63.6.2023.506-10.