1
|
|
|
|
LB775 .P5 .E4
|
Children and adolescents : interpretives essays on Jean Piaget
|
New York, [ United States ] : Oxford University Press , 1974
|
Elkind, David
|
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18588
|
2
|
|
|
|
LB1051 .O3
|
Learning : an introduction
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Chicago, [ United States ] : Scott, Foresman and Company , 1971
|
O'Connor, Kathleen
|
|
39365
|