الإتاحة: https://sk.sagepub.com/video/creating-valid-and-reliable-survey-items
الإتاحة: https://sk.sagepub.com/video/niall-bolger-defines-longitudinal-survey
المساهمون: Neil R. Anderson, Ute R. Hülsheger
المصدر: 3
الإتاحة: http://sk.sagepub.com/navigator/employee-selection-and-performance-management