"A method for assessing customer’s confidence in safety in a railroad company"
-K.Seki and Y.Okada
"Development of the management cycle and supporting tool for assisting organizational workers in learning themselves how to detect safety-related problems"
-Y.Tanabe and Y.Okada
“An evaluation of human factors on confirmation/check tasks in organizational safety management"
-K.Takahashi, R.Ikeda and Y.Okada
"An analysis of drug administration tasks on safety management in medical centers"
-N.Yamao and Y.Okada