Robert F. DeVellis · 4 obras en el catálogoObrasSScale developmentScale developmentSScale developmentScale developmentBBUNDLE : Fowler : Survey Research Methods 4e + Kremelberg : BUNDLE : Fowler : Survey Research Methods 4e + Kremelberg : Practical Statistics + Devellis : Scale Development 2e + Converse : Survey Questions + SpectorScale development
BBUNDLE : Fowler : Survey Research Methods 4e + Kremelberg : BUNDLE : Fowler : Survey Research Methods 4e + Kremelberg : Practical Statistics + Devellis : Scale Development 2e + Converse : Survey Questions + Spector
