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13 июн 2017 г. - Conceptualizing Student Affect for Science and Technology at the Middle School Level: Development and Implementation of a Measure of Affect in Science and Technology William L. Romine1 & Troy D. Sadler2 & Eric P. Wulff2

9 янв 2018

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13 июн 2017 г.

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~ 8 гг и 4 мес назад

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