extension of the building advance-sale contracts on the one hand, and inadequacy of the provisions of the civil code on protection of  building advance-buyers before making its completion, on the other, consequently causing many problems for people in the community (society), has forced the legislature to pass the building advance-sale code in 2010. the parties of these contracts are called adv...

in this paper, a production inventory model is developed for the business enterprise which consists of three wings. the first wing is for manufacturing new items, the second wing is for collecting the returned items, while third wing is for remanufacturing the returned item. in this model we consider the fact that the storage item is deteriorated during storage periods and salvage value is inco...

in classic inventory control system, we assume that purchasing cost should be paid at time of delivery. but sometimes in order to encourage retailer to increase his order, postpond payment is provided by supplier as an incentive policy for retailer. in this paper a periodic inventory control model is invetigated in which the period between two consecutive replenishmnet is a random variable. in ...

Abstract Objective: Many organizations use the ABC classification method to control their large amount of inventories. The most common way to classify inventories is the ABC method. In traditional ABC classification, items are only classified according to one criteria. But there are other criteria that need to be considered in the inventory classification. The purpose of this study is to prese...

Full, accurate and evident information about stocks is a key factor of successful inventory management process. Effective inventory management should include a comprehensive solution, based on mathematical methods and control of current balances and software. Such solution for small businesses should be effective and should not be too expensive. The paper shows an approach to using database tec...

Green manufacturing (especially the right production scale) and optimization of logistics transportation to ensure economic benefits) have become challenging issues. This paper focuses on planning scheduling dynamic supply chain via H∞ control scheme. considers scale resource complex under impact COVID-19 pandemic.Firstly, information green is collected, a new mathematical model including multi...

In this paper we develop an inventory model, to determine the optimal ordering quantities, for a set of two substitutable deteriorating items. In this inventory model the inventory level of both items depleted due to demands and deterioration and when an item is out of stock, its demands are partially fulfilled by the other item and all unsatisfied demand is lost. Each substituted item incurs a...