lederman, s. j., & campbell, j. i. (1983). tangible line graphs: an … · 2015. 8. 28. ·...
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Lederman, S. J., & Campbell, J. I. (1983). Tangible line graphs: An evaluation and some systematic strategies for exploration. Journal of Visual Impairment & Blindness, 77(3), 108-112.
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