Ott, Leland E.
Increasing labor efficiency at the checkout in supermarkets / Leland E. Ott.
Ithaca, N.Y. : Dept. of Agricultural Economics, Cornell University, 1960.
Title from cover.
Supermarkets -- Labor productivity.
Supermarkets -- Checkout counters.
Cashiers.
Food industry and trade -- United States.
New York State College of Agriculture. Dept. of Agricultural Economics.
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