| 1 | study of some cognitive and non-cognitive factors affecting understanding of concepts of Physics |
| 2 | |
| Language: | English |
| 3 | |
| 4 | |
| Language: | English |
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| 6 | |
| Language: | English |
| 7 | Effects of preschool education on cognitive development of primary school children |
| 8 | |
| Language: | English |
| 9 | |
| 10 | |
| Language: | English |
| 11 |