1. Alessi, S.M. and Trollip, S.R. Multi-media for Learning: Methods and Development. Massachusetts: Allyn and Bacon, 2001.
2. Holec, H.Autonomy in Foreign Language Learning.Oxford: Pergamon, 1981.
3. Benson,P. Teaching and Researching Autonomy inLanguage Learning.London:Longman,2001.