2David H Hargreaves, Reactions to labeling. In Martyn Harmmersley and Peter Woods, The Process of Schooling ; A Sociological Reader. London: Routledge and Kegan Paul, 1976.203.
3Torsten Husen, Student sex and Classroom Behavior, The International Encyclopedia of Education, Pergamon Press,1985, Vol. 8.
4M Hammersley , the Mobilization of pupil attention. In Martyn Harmmersley and Peter Woods (eels.)the Process of Schooling : A Sociological Reader. London: Routledge and Kegan Paul, 1976. 110.