The trachtenberg speed system of basic mathematics
By: TRACHTENBERG.
Publisher: Calcutta Rupa pub. 1992Description: 270 p.ISBN: 168967.Subject(s): Mental arithmetricDDC classification: 613.9| Item type | Current location | Collection | Call number | Status | Date due | Barcode |
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Books in Stacks (S)
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Main Library Science & Technology | S | 613.9 TRA (Browse shelf) | Available | 168967 |
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