The COVID-19 pandemic and the lockdown pushed people to buy more online. With the
increase in online shopping, there was also an increase in ethical issues with electronic …

This study aims to develop a mathematical model to investigate a sustainable and traceable
fish closed-loop supply chain network problem. The model considers the carbon emissions …

The increasing amount of worldwide carbon emissions has caused global warming,
instigating governments to implement carbon policies such as the carbon cap-and-trade …

Purpose Nowadays, in many organizations, products are not delivered instantly. So, the
customers should wait to receive their needed products, which will form a queueing …

In the growing economy, the transport sector emerges as the primary generator of the most
prevalent greenhouse gas emissions (GHG) due to the combustion of fossil fuels. The …

E-waste represents a rapidly expanding category of solid waste, with mobile phones being
particularly noteworthy contributors to the global waste stream. The substantial consumer …

Through out the paper, a study of, a two-echelon integrated vendor-buyer inventory system
for a continuous review model over a finite planning horizon is considered. The vendor …

Managing degraded-quality materials in a supply chain with a single-vendor and multi-
buyers is prevalent and critical in modern industry. This research addresses the single …

This study analyzes a two-level sustainable supply chain model using the meta-heuristic
evolutionary algorithm. Defective items are exposed due to malfunctions in the equipment …

This paper proposes a retailer-supplier queueing-inventory problem (RSQIP) in which the
imperfect lots are investigated using a single sampling inspection plan. We integrate an …