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00768nam a2200205 a 4500 |
| 001 |
56976 |
| 003 |
AR-LpUBP |
| 005 |
20250704190031.0 |
| 007 |
ta |
| 008 |
120511s1926 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 Percival, Walter
|9 45105
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| 245 |
1 |
0 |
|a A study of the causes and subjects of school failure :
|b An analysis of the causes and subjects in which pupils fail in the first eight grades of the public schools
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| 260 |
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|a New York :
|b Columbia University,
|c 1926.
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| 300 |
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|a 55 p. ;
|c 18 cm.
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| 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 2148FB
|7 0
|9 81427
|a DUN
|b DUN
|c FG
|d 2023-07-10
|i 002963/1926
|l 0
|o 2148-Fb
|p DUN002963x1926
|r 2023-07-10 20:38:13
|w 2023-07-10
|y BK
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| 999 |
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|c 56976
|d 56976
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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
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