1.
Handbook of Polytomous Item Response Theory Models
by Nering, Michael L., Ostini,...
ISBN: 9780805859928
List Price: $62.95
2.
Polytomous Item Response Theory Models
by Ostini, Remo, Nering, Micha...
ISBN: 9780761930686
List Price: $19.95
3.
Polytomous Item Response Theory Models : Developments and Applications
by Nering, Michael L., Ostini,...
ISBN: 9780805859935
List Price: $55.00
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Handbook of Polytomous Item Response Theory Models
by Nering, Michael, Ostini, Remo
ISBN: 9780203861264
OUT OF STOCK
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Handbook of Polytomous Item Response Theory Models
by Nering, Michael L., Ostini,...
ISBN: 9781135168728