Average working hours of children, study and work, ages 7-14 (hours per week) - World, Angola, Antigua and Barbuda, Burkina Faso, Slovak Republic, Qatar, Macao SAR, China, Sint Maarten (Dutch part)
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
