Sensitivity Analysis on the Negative Degree of Difficulty Geometric Programming Problem
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Am. J. Oper. Res. Vol.10 No.1, January 17, 2020
DOI:10.4236/ajor.2020.101002

Turnover Based Illiquidity Measurement as Investment Strategy on Zagreb Stock Exchange
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Am. J. Oper. Res. Vol.10 No.1, December 06, 2019
DOI:10.4236/ajor.2020.101001