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| LEADER |
00549nam a2200121Ia 4500 |
| 008 |
150520150520b xxu||||| |||m 00| 0 eng d |
| 100 |
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|a C Venugopal.
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| 245 |
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|a Potentialities of puzzle problems in teaching and learning mathematics at the secondary school stage /
|c C.Venugopal
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| 260 |
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|c 1989.
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| 502 |
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|a Dissertation (M.Ed.)--Department of Education,University of Calicut, 1989.
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| 942 |
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|c TH
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| 999 |
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|c 186603
|d 186603
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| 952 |
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|0 0
|1 0
|4 0
|6 M_9_120000000000000
|7 0
|9 205896
|a EDU
|b EDU
|c ST1
|d 2015-05-20
|i D567
|l 0
|o M9/12
|p EDUD567
|r 2018-08-29
|w 2018-08-29
|x ok
|y PD
|