Arithmetical Abstractions : the Movement toward Conceptual Maturity under Differing Systems of Instruction.

Bibliographic Details
Main Author: Brownell, William A.
Format: Book
Published: Berkeley : University of California, 1967.
Series:University of California Publications in Education ; 17
Subjects:

MARC

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245 1 0 |a Arithmetical Abstractions : the Movement toward Conceptual Maturity under Differing Systems of Instruction. 
260 |a Berkeley :   |b University of California,   |c 1967. 
300 |a 221 p. ;   |c 23 cm. 
490 0 |a University of California Publications in Education ;   |v 17 
650 4 |a ARITMETICA 
650 4 |a ENSEÑANZA DE LAS MATEMATICAS 
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