Chad - Country profile View country profile from World Statistics Pocketbook http://data.un.org/
Chad - Institut national de la statistique des études économiques et démographiques National Statistical Office of Chad http://www.inseed-tchad.org/
United Nations Statistics Division - National Accounts Official Country Data Official national accounts statistics in national currencies as provided by the National Statistical Offices. http://unstats.un.org/
United Nations Statistics Division - National Accounts Estimates of Main Aggregates National accounts estimates for most countries and areas from 1970 onwards. http://unstats.un.org/
United Nations Children's Fund - UNICEF The State of the World’s Children 2008 assesses the state of child survival and primary health care for mothers, newborns and children today. http://www.unicef.org/
United Nations Statistics Division - Industrial Commodity Statistics Yearbook Yearbook and database covering production statistics since 1950. http://unstats.un.org/
United Nations Statistics Division - UN List of Industrial Products List of industrial products for which UNSD compiles production statistics. http://unstats.un.org/