“A multi-tier sustainable food supplier selection model under uncertainty”

Supplier selection in food supply chains (FSCs) is not much explored due to the inherent difficulties, complexities and nature of industry. Food security quality are top row topics today’s world health scenario. During sudden crisis, it needs extra attention where producers, suppliers, stakeholders play most vital roles. This paper puts forward a two-phase sustainable multi-tier supplier model for FSC based on an integrated decision analysis under multi-criteria perspectives considering sustainability criteria, suppliers sub-suppliers. In first phase, estimates criteria weights using combined version step-wise weight assessment ratio (SWARA) level (LBWA) conjunction with D-numbers. second Measurement Alternatives Ranking according COmpromise Solution (MARCOS)-D method applied obtain ranking pre-order different tier suppliers. Moreover, several sensitivity analyses carried out order examine reliability. To check application practicability, proposed implemented case study WineSol Corporation Spain. The expected serve as kickoff point developing advanced decision-making models effectually address problems uncertain environment.