| 000 | 00771nam a2200253 a 4500 | ||
|---|---|---|---|
| 005 | 20210219153349.0 | ||
| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000094203 | ||
| 100 | _aVachon, Myra K. | ||
| 222 | _aJOURNAL OF RESEARCH IN SCIENCE TEACHING | ||
| 245 | _aA procedure for determining the level of abstraction of science reading material | ||
| 300 | _a343-352 | ||
| 362 | _a28, No. 4, 1991 | ||
| 505 | _aOctubre 1993 | ||
| 653 | 0 | _aCONCEPTOS CIENTIFICOS | |
| 653 | 0 | _aEDUCACION CIENTIFICA | |
| 653 | 0 | _aEVALUACION DE LIBROS DE TEXTO | |
| 653 | 0 | _aLECTURA DEL AREA DEL CONTENIDO | |
| 653 | 0 | _aLEGIBILIDAD DE FORMULAS | |
| 653 | 0 | _aRAZONAMIENTO ABSTRACTO | |
| 700 | _aHaney, Richard E. | ||
| 904 |
_aAC _b032014 |
||
| 905 | _aArticulo | ||
| 999 |
_c74988 _d74988 |
||