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December 1979
Research Article|
December 01 1979
Determining Reading Levels of Textbooks
The American Biology Teacher (1979) 41 (9): 557–576.
Citation
Andrew Ahlgren, Kennedy; Determining Reading Levels of Textbooks. The American Biology Teacher 1 December 1979; 41 (9): 557–576. doi: https://doi.org/10.2307/4446755
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