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Helen Costello
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Cilt sonuçları
The responses of mentally retarded children to specialized learning experiences in arithmetic
Helen Marjorie Costello · Yayınevi bilinmiyor
115 sayfa · 1941
Education / Children with mental disabilities / Arithmetic / Study and teaching / Juvenile delinquents
The responses of mentally retared children to specialized learning experiences in arithmetic
Helen Marjorie Costello · [University of Pennsylvania]
115 sayfa · 1941
Study and teaching / Exceptional children / Arithmetic
Masterworks on Paper from the Albright Knox Art Gallery
Cheryl A. Brutvan, Anita Coles Costello, Helen Raye · Hudson Hills Pr
Sayfa sayısı yok · 1992
New York (State) / Drawing / Catalogs / 19th century / 20th century