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| LEADER |
00587Cam#a2200217#a#4500 |
| 001 |
ECUCON008736 |
| 003 |
ECU |
| 008 |
191101s1992 ag ||||| |||||||| ||spa d |
| 040 |
# |
# |
|a ECU
|b spa
|c ECU
|
| 092 |
# |
# |
|s Educ.
|
| 100 |
# |
# |
|a Canestro, Elsa
|
| 245 |
# |
# |
|a Disfrutar aprendiendo ciencias. Reflexion y práctica en la escuela primaria
|
| 260 |
# |
# |
|a Buenos Aires
|b Troquel
|c 01/1992
|
| 300 |
# |
# |
|a 109 p.
|
| 650 |
# |
# |
|a CIENCIA Y TECNOLOGIA
|
| 650 |
# |
# |
|a DIDACTICAS
|
| 650 |
# |
# |
|a NIÑOS
|
| 650 |
# |
# |
|a METODOS
|
| 650 |
# |
# |
|a ESCUELA
|
| 700 |
# |
# |
|a Vasini, Enrique J.
|
| 952 |
# |
# |
|p ECU9654
|a ECU
|b ECU
|o Educ.
|w 08-09-93
|