(2008). THE EFFECT OF SOME EQUIVALENT SIGNS ON REASONING THINKING IN MATHEMATIC. , 21(5), 104-116.
. "THE EFFECT OF SOME EQUIVALENT SIGNS ON REASONING THINKING IN MATHEMATIC". , 21, 5, 2008, 104-116.
(2008). 'THE EFFECT OF SOME EQUIVALENT SIGNS ON REASONING THINKING IN MATHEMATIC', , 21(5), pp. 104-116.
THE EFFECT OF SOME EQUIVALENT SIGNS ON REASONING THINKING IN MATHEMATIC. , 2008; 21(5): 104-116.


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