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| LEADER |
00000nam a22000002a 4500 |
| 006 |
a 000 0 |
| 008 |
991123s1912 txu 000 0 spa d |
| 035 |
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|a (Sirsi) a84587
|
| 035 |
|
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|a (Sirsi) a84587
|
| 040 |
|
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|a OCLC
|d UV#
|
| 050 |
|
4 |
|a LB3061
|b P47
|
| 082 |
|
4 |
|a 372
|
| 100 |
1 |
|
|a Petty, Mary Clare
|
| 245 |
1 |
0 |
|a Intraclass grouping in the elementary school
|c / Mary Clare Pettty.
|
| 260 |
|
|
|a Austin
|b : University of Texas,
|c 1912.
|
| 300 |
|
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|a ix, 189 p.
|c ; 23 cm.
|
| 490 |
0 |
|
|a Bureau of Laboratory Schools
|
| 504 |
|
|
|a Bibliografía: p. [185]-189.
|
| 650 |
|
4 |
|a Agrupación por aptitudes de los escolares.
|
| 596 |
|
|
|a 2
|
| 942 |
|
|
|c LIBRO
|
| 999 |
|
|
|c 45262
|d 45262
|
