Li C, Jia W, Liu E, Wu X. A MULTI-HIERARCHY GREY RELATIONAL ANALYSIS MODEL FOR NATURAL GAS PIPELINE OPERATION SCHEMES COMPREHENSIVE EVALUATION. Int J Ind Eng [Internet]. 2012 Dec. 27 [cited 2024 Nov. 29];19(6). Available from: https://ijietap.journals.publicknowledgeproject.org/ijietap/index.php/ijie/article/view/631