A Rough Multi$-$Criteria Decision$-$Making Approach for Sustainable Supplier Selection under Vague Environment: A Case Study.Author: Huivun Lu$,$ Shaojun Jiang $,$ Wenyan Song, Kingue MingEnglish $($United States$)$Text Predictions: On$*$ Accessibility: InvestigateQuestion $1$ : Explain the decision$-$making approach discussed in this case study Question $2$:Why supplier selection is a typical multi$-$criteria decision$-$making process involving subjectivity and vagueness?Question $3$: Discuss the Sustainable supplier selection that is required for manufacturing companies.