Influence of science teaching method on the science attainment in the junior secondary schools in Vavuniya educational zone in Sri Lanka /
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| 主要作者: | |
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| 格式: | Thesis 圖書 |
| 語言: | English |
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| 實物描述: | ix, 92 leaves : illustrations, ; 30 cm. |
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| 參考書目: | Bibliography: leaves 82-88. |