Filter

Showing all 2 results

Sale!
Quick View

Mathematics

Handbook of item response theory volume one models 1st Edition Wim J. Van Der Linden (Editor)

Original price was: $50.00.Current price is: $35.00.
Sale!
Quick View

Mathematics

Handbook of item response theory volume two statistical tools 1st Edition Wim J. Van Der Linden (Editor)

Original price was: $50.00.Current price is: $35.00.