This paper studies three continuous review economic order quantity models for time-
dependent deterioration using preservation technology. First, a crisp model is developed …

This study investigates a multi-echelon closed-loop supply chain model integrating learning
impact with a single producer, single retailer, and single collector. Retail pricing, green …

We developed an economic order quantity (EOQ) model with a learning effect and carbon
emissions under inflationary conditions and inspection for retailers where the items …

This paper deals with an adaptation of an application of nonlinear heptagonal dense fuzzy
number. The concept of linear and as well as non-linear for both symmetric and asymmetric …

Assuming the significance of sustainability, it is considered necessary to ensure the
conservation of our natural resources, in addition to minimizing waste. To promote …

This paper develops four economic order quantity models with different types of imperfect
quality items including salvage, repairable, scrap, and reject items. The fraction of imperfect …

An imprecise demand rate creates problems in profit optimization in business scenarios. The
aim is to nullify the imprecise nature of the demand rate with the help of the cloudy fuzzy …

In obedience with the economic order quantity model, the ordered lot has 100% good quality
items, but this is only suppositional. On examination, it is learnt that some of the produced …

Now a day, green retail operations drive in many fields to improve the quality of deteriorating
items during the delivery of the green items to his customer. In the present paper, retailer …

The present paper deals with an integrated sustainable supply chain model with the effect of
learning for an imperfect production system under a cloudy fuzzy environment where the …