7Lazarus, R S, & Folkman, S Stress, coping, and adaptation, New York: Springer, 1984.
8Bryk, A S , & Raudenbush, S W. Hierarchical Linear Models: Applications and data analysis methods, Newbury Park,CA: Sage. 1992.
9Beehr, T A. Psychological stress In the workplace. London: Routledge, 1995.
10Jex, S M, & Beehr, T A. Emerging theoretical and methodological Issues In the study of work- related stress. In K Rowland & G Ferris (Eds.), Research In personnel and human resources management . Greenwich, CT: JAI Press, 1991,9 : 311 - 365.
