Campbell, Colin, 1950- Learner-Based Teaching / Colin Campbell & Hanna Kryszewska - Oxford. : Oxford University Press, c1992. - 126 p. : ill. ; 25 cm - Resource books for teachers . ISBN: 0194371638 Subjects--Topical Terms: Curriculum planningLanguage and languages--Study and teaching LC Class. No.: LB1576 / .C363 1992 Dewey Class. No.: 420.71