Cognitive development research in science and mathematics proceedings of an international seminar held in the Centre for Studies in Science Education, School of Education, University of Leeds, 17-21 September, 1979

Manylion Llyfryddiaeth
Awduron Eraill: Archenhold, W.F.(Wolfgang Friedrich)
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Leeds Centre for Studies in Science Education, University of Leeds c1980.
Pynciau: