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| LEADER |
00540nam a2200121Ia 4500 |
| 008 |
150520150520b xxu||||| |||m 00| 0 eng d |
| 100 |
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|a Saseendran C.K.
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| 245 |
|
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|a Levels of attainment in essential biological science concept of secondary school pupils /
|c Saseendran.C.K
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| 260 |
|
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|c 1990.
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| 502 |
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|a Dissertation (M.Ed)--Department of Education, Univesity of Calicut,1990.
|
| 942 |
|
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|c TH
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| 999 |
|
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|c 186018
|d 186018
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| 952 |
|
|
|0 0
|1 0
|4 0
|6 N_0_110000000000000
|7 0
|9 205311
|a EDU
|b EDU
|c ST1
|d 2015-05-20
|i D531
|l 0
|o N0/11
|p EDUD531
|r 2018-08-29
|w 2018-08-29
|x ok
|y PD
|