Yazar
John Orchard Towler
2 cilt bulundu.
Cilt sonuçları
Spatial concepts of elementary school children
John Orchard Towler · Yayınevi bilinmiyor
140 sayfa · 1965
Maps / Space perception in children / Study and teaching (Elementary)
Training effects and concept development
John Orchard Towler · Yayınevi bilinmiyor
123 sayfa · 1967
Child psychology / Cognition in children / Conservation (Psychology) / Perception in children