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Economic activity analysis
Morgenstern, Oskar, (1954)
Linear programming : methods and applications
Gass, Saul I., (1964)
Linear programming : an explanation of the simplex algorithm
Greenwald, Dakota Ulrich, (1957)
Quantitative analysis for business
Vazsonyi, Andrew, (1984)
Andrew Vazsonyi
Weida, Nancy C., (2011)
On the point for which the sum of the distances to n given points is minimum
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