THE OPINIONS OF PRE-PRIMARY EDUCATION TEACHERS ON THE ADVANTAGES AND DISADVANTAGES OF HETEROGENEOUS AGE GROUPS
| Autor: | Rochovská, Ivana, Huľová, Zlatica, Klein, Vladimír, Gašparová, Miroslava |
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| Zdroj: | Problems of Education in the 21st Century. 77(3):424-436 |
| Databáze: | Central and Eastern European Online Library (CEEOL) |
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