1. United Nations, department of economic and social affairs, population division world population prospects, 2019,2019
2. Adolescence: a foundation for future health;Sawyer;Lancet,2012
3. Our future: a lancet commission on adolescent health and wellbeing;Patton;Lancet,2016
4. Global accelerated action for the health of adolescents (AA-HA!): guidance to support country implementation;WHO,2017