Freudenberger, H. J. Staff burn-out. J Soc. Issue 30, 159–165 (1974).
Maslach, C. & Jackson, S. E. The measurement of experienced burnout. J. Organ. Behav. 2, 99–113 (1981).
Freudenberger, H. J. Staff burn-out. J Soc. Issue 30, 159–165 (1974).
Maslach, C. & Jackson, S. E. The measurement of experienced burnout. J. Organ. Behav. 2, 99–113 (1981).