The al-Qarawiyin University, founded by Fatima al-Fihri in the city of Fez in 859 as a madrasa, is considered by some sources, including UNESCO, to be the "oldest university of the world". Morocco has also some of prestigious postgraduate schools, including: l'Institut National des Postes et Télécommunication (INPT), École Nationale Supérieure d'Électricité et de Mecanique (ENSEM), EMI, ISCAE, INSEA, National School of Mineral Industry, École Hassania des Travaux Publics, Les Écoles nationales de commerce et de gestion, École supérieure de technologie de Casablanca.