Review methodology
The search for the literature was confined to research papers published during the years 1999-
2013 on Green Logistics Network Design issues with single objective function. The keyword
search methodology was used to collate articles on the above issues published in the peerreviewed
journals available in online databases of Proquest, EBSCO, Emerald and ScienceDirect.
Some of the keywords used to collect articles were Green networks, reverse logistics network,
closed loop supply chain network, single objective network models, facility location decision etc.
Also, published/unpublished conference papers and lectures have been excluded from the present
review. With the scope of the study in mind we identified 120 articles that were published during
the identified period dealing with the facility location and network design issues. As our study
was concentrating in GrLND models hence further filtration on reverse logistics network and
closed loop supply chain network was performed to finally get 36 articles for our study
distributed over 16 Journals.