1. Defining and Measuring Fatigue;Aaronson;Image: The Journal of Nursing Scholarship,1999
2. Perceived Fatigue during Physical Work: An Experimental Evaluation of a Fatigue Inventory;Åhsberg;International Journal of Industrial Ergonomics,1998
3. Fatigue and Impairment in Man;Bartley,1947
4. Business Research Methods;Bryman,2018
5. A Theory of Fatigue;Cameron;Ergonomics,1973