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The optimal location of two recycling centers
Highfill, Jannett K., (1997)
Optimality of recycling and the location of a recycling center
Highfill, Jannett K., (1994)
Multimodal network design for sustainable household plastic recycling
Bing, Xiaoyun, (2013)
Technology choice : the output and employment tradeoff
Goldberg, Kalman, (1998)