Chang S-Y and T-H Chen (2006). “Discriminating Relative Workload Level by Data Envelopment Analysis.” Int J Industrial Ergonomics 36(9): 773-778.

Chang S-Y and T-H Chen (2006). “Discriminating Relative Workload Level by Data Envelopment Analysis.” Int J Industrial Ergonomics 36(9): 773-778.

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