Engels (2)

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Elizabeth George (2) George, Elizabeth (2) Crombie, Deborah (2) Custer, Elizabeth B (1) Kuh, George D. (indiana University, Kinzie, Jillian (nsse Institute For Effective Educational Practice), Schuh, John H. (iowa State University, Whitt, Elizabeth J. (university Of Iowa (1)

2014 (1) 2012 (1) 2011 (1) 2010 (2) 2006 (1)

Overig (2)