Teachers ‘who are hired on short, flexible contracts to work in primary schools and in non-formal education centres (NFEs) that are run by nongovernmental organizations (NGOs) and local governments’ (Duflo, Hanna and Ryan, 2012: 1241).
Duflo E.; Hanna R.; Ryan, S.P. 2012. ‘Incentives work: getting teachers to come to school’. In: American Economic Review, 102(4). Retrieved from: https://economics.mit.edu/files/5582