Ralph M. Crystal is an American psychologist, professor and author, currently the Wallace Charles Hill Professor of Rehabilitation Education at University of Kentucky,[1][2] and his books have been collected by libraries worldwide.[3]

References

  1. ↑ "Endowed Chairs". uky.edu. Archived from the original on October 14, 2016. Retrieved September 30, 2016.
  2. ↑ "RCrystal" (PDF). uky.edu. Retrieved September 30, 2016.
  3. ↑ "Crystal Ralph M." worldcat.org. Retrieved September 30, 2016.


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