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Note---Project Selection and Sequencing to Maximize Net Present Value of the Total Return
Gupta, Sushil K., (1992)
E-business : a review of research published in production and operations management (1992-2008)
Gupta, Sushil K., (2009)
A unified analysis for the single-machine scheduling problem with controllable and non-controllable variable job processing times
Koulamas, Christos, (2010)