3Luthans F. The need for and meaning of positive organizational behavior. Journal of Organizational Behavior, 2002,23(6):695-706
4Schaufeli WB, Martinez IM,Marques-Pinto A, et al. Burnout and engagement in university students: A cross-national study. Journal of Cross-Cultural Psychology, 2002, 33 (5): 464- 481
5Schaufeli WB, Salanova M, Gonzalez-Roma V, et al. The measurement of engagement and burnout: A two sample confirmatory factor analytic approach. Journal of Happiness Studies, 2002, 3:71-92
6Tsui AS, Pearce JL, Porter LW, et al. Alternative approaches to the employee-organization relationship: does investment in employees pay off. Academy of Management Journal, 1997, 40(5): 1089-1121
7Schaufeli WB, Bakker AB, Salanova M. The measurement of work engagement with a short questionnaire: A crossnational study. Educational and Psychological Measurement, 2006, 66(4):701-716
8Schaufeli WB, Bakker AB. UWES-Utrecht Work Engagement Scale: Preliminary manual. Unpublished Manuscript: Department of Psychology, Utrecht University, 2003
