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431
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432
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433
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434
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435
A proposed mathematics laboratory for elementary schools in the Philippines
Wydane 1973Praca dyplomowa -
436
Teaching probability and other selected statistical concepts to the intermediate grades
Wydane 1973Praca dyplomowa -
437
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438
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439
A case study in the learning difficulties in multiplication of whole numbers in grade four mathematics
Wydane 1972Praca dyplomowa -
440
Process approach in teaching science for the educable mentally retarded intermediate level
Wydane 1972Praca dyplomowa