MARC
| LEADER | 00000nam a2200000Ia 4500 | ||
|---|---|---|---|
| 008 | 170504b1972 u ||||| |||| 00| 0 eng d | ||
| 999 | |c 1188 |d 1188 | ||
| 090 | |a 507 |b N935s | ||
| 100 | 1 | |9 662 |a Novak D., Joseph | |
| 245 | 1 | 2 | |a A summary of research in science education for 1972 |
| 260 | |a Ohio, Estados Unidos : |b ERIC, |c 1972 | ||
| 300 | |a 107 páginas | ||
| 650 | 0 | |a CIENCIA |9 890 | |
| 650 | 0 | |a ENSEÑANZA |9 14 | |
| 942 | |i 257335 |h 507 N935s |2 z |c 01 | ||