Hiroshi Ikeda, Comparative Study of Fatigue and Drowsiness in the Night-time Passenger Transportation Industry in Japan. journal = {International Journal of Psychological and Behavioral Sciences}, [online]. World Academy of Science, Engineering and Technology. August 2015, vol. 105(9). 3049 - 3052 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10002229.