MSP5 for Windows : a program for Mokken scale analysis for polytomous items : version 5.0 : user's manual / I.W. Molenaar, K. Sijtsma ; programming: P. Boer

MSP5 for Windows : a program for Mokken scale analysis for polytomous items : version 5.0 : user's manual / I.W. Molenaar, K. Sijtsma ; programming: P. Boer