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1.
Comparative study of Piaget's concepts of conservation during concrete operational period among the children of isolated hill areas and Delhi urban areas by
Material type: Text Text; Format: print
Language: English
Publication details: 1978
Availability: Items available for loan: Department of Education Library (1)Collection, call number: 155.413, KAT/DI.

2.
Comparative study of Piaget's concepts of conservation during concrete operational period among the children of isolated hill areas and Delhi urban areas by
Material type: Text Text; Format: print
Language: English
Publication details: 1978
Availability: Items available for loan: Department of Education Library (1)Collection, call number: 155.413, KAT/DI.