Average working hours of children, study and work, ages 7-14 (hours per week) - World, Angola, United States, Isle of Man, El Salvador, Liberia, Algeria, Grenada, Cabo Verde, Turks and Caicos Islands
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
