|
|
|
|
| LEADER |
00769nam a2200205 u 4500 |
| 001 |
000332356 |
| 005 |
20110720143301.0 |
| 008 |
s1969 s1969 xxu ||||| eng |
| 035 |
|
|
|a 49215
|
| 040 |
|
|
|a Sistema de Bibliotecas de la Universidad de Costa Rica
|
| 041 |
0 |
|
|a eng
|
| 082 |
0 |
|
|a 372.35
|b G167s
|2 00
|
| 100 |
1 |
|
|a Gallagher, James John
|d 1926-
|e Autor/a
|4 aut
|
| 245 |
1 |
0 |
|a A Summary of research in science education for the years of 1968-69 elementary school level /
|c by James J. Gallagher. --
|
| 260 |
|
|
|a Columbus :
|b Ohio State University ERIC Information Analysis Center for Science Education,
|c 1969.
|
| 300 |
|
|
|a 65 páginas ;
|c 28 cm.--
|
| 490 |
0 |
|
|a Research review series-science; paper ;
|v 6)
|
| 650 |
|
|
|a CIENCIA
|
| 949 |
|
|
|a --YV
|
| 916 |
|
|
|a Registros del LS-2000
|