%0 Journal Article
%A Eydi, Alireza
%A Bakhtiari, Mahnaz
%T A multi-product model for evaluating and selecting two layers of suppliers considering environmental factors
%J RAIRO - Operations Research - Recherche Opérationnelle
%D 2017
%P 875-902
%V 51
%N 4
%I EDP-Sciences
%U http://www.numdam.org/articles/10.1051/ro/2016070/
%R 10.1051/ro/2016070
%G en
%F RO_2017__51_4_875_0