Average working hours of children, study and work, ages 7-14 (hours per week) - World, Japan, Sierra Leone, American Samoa, Barbados, Timor-Leste, Korea, Rep., Czechia, Philippines
Understanding Children's Work, International Labour Organization ( ILO );
UN Children's Fund ( UNICEF ), note: Understanding Children's Work;
World Bank ( WB ), note: Understanding Children's Work
