“…2.1 Supplier selection approaches Nielsen et al (2014) and Govindan et al (2015) reported a review study regarding MCDM methods utilized to assess supplier vis-a-vis green performance. Generally, literature shows that various supplier selection techniques or methodologies can be categorized into five groups such as, mathematical programming (Dobos and Vorosmarty, 2018;Liou et al, 2016;Mohammed et al, 2018b;Shaw et al, 2012;Mohammed, 2019;Talluri and Narasimhan, 2005;Hashemi et al, 2015), Solo multiple attribute decision-making (SMADM) method (Chang et al, 2011;Dey et al, 2012;Wu et al, 2021;Hsu et al, 2013), fuzzy set theory (Fallahpour et al, 2015;Banaeian et al, 2018;Shaw et al, 2012;Jain et al, 2007;Amindoust et al, 2012), intelligent techniques (Cavalcante et al, 2019;G€ uneri et al, 2011;Golmohammadi, 2011) and hybrid methods (Pamucar et al, 2021;Tadi c et al, 2014;B€ uy€ uk€ ozkan and Çifçi, 2012;Beikkhakhian et al, 2015;Kuo et al, 2010;Mohammed, 2020). Each category has its own specific advantages and disadvantages.…”