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| LEADER |
00665nam a2200205 a 4500 |
| 001 |
40791 |
| 003 |
AR-LpUBP |
| 005 |
20250704185021.0 |
| 007 |
ta |
| 008 |
120323s1921 xxu g 000 0 eng d |
| 040 |
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|a AR-LpUBP
|b spa
|c AR-LpUBP
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| 100 |
1 |
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|a Frost, Norman
|9 36017
|
| 245 |
1 |
0 |
|a A comparative study of achievement in country and town schools
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| 260 |
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|a New York :
|b Columbia University,
|c 1921.
|
| 300 |
|
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|a 70 p. :
|b car ;
|c 21 cm.
|
| 942 |
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|c BK
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| 952 |
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|0 0
|1 0
|2 udc
|4 0
|6 168FB
|7 0
|9 59849
|a DUN
|b DUN
|c FG
|d 2023-07-10
|i 001399/21
|l 0
|o 168-Fb
|p DUN001399x21
|r 2023-07-10 20:31:03
|w 2023-07-10
|y BK
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| 999 |
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|c 40791
|d 40791
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| 988 |
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|c 34
|d Miguel Kiperszmid
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| 997 |
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|z a
|