HAMMERSLEY MARTYN & HAMMERSLEY, M. [. (1986). Controversies in classroom research. Open University Press.

HAMMERSLEY MARTYN and Martyn [Ed.] HAMMERSLEY. Controversies in Classroom Research. Milton Keynes: Open University Press, 1986.

HAMMERSLEY MARTYN and Martyn [Ed.] HAMMERSLEY. Controversies in Classroom Research. Open University Press, 1986.