Polytomous item response theory models
Ostini, Remo
Polytomous item response theory models - California Sage 2006 - vi,: 107
9780761930686
RES
300.727 / OST-P
Polytomous item response theory models - California Sage 2006 - vi,: 107
9780761930686
RES
300.727 / OST-P