Efficient Methods For Inventory Routing Problem of Perishable Items with Fixed Life In the Hamadan police force

Supply chain is the most important pillar of any company. Changing business environment conditions affect the supply chain of companies. The success of companies is the faster understanding of changes in business conditions more than competitors and making the necessary changes based on the conditions in the supply chain. Companies are now competing between their supply chains. This issue now has a prominent place among researchers in various fields of industry and a lot of research has been done in this field. Recent changes in environmental conditions and in particular the epidemic of Covid-19 disease, have created a wider scope for studying the field of environmental change in businesses and reviewing supply chain concepts and models to cope with change. The purpose of this study is to review the supply chain literature of recent years on the need to review supply chain models and concepts based on changes in business conditions.

This research is analytical. The research sources have been collected from the articles of the authoritative websites in this field, The total number of 469 sources belongs to the years 2017 to 2021, of which 419 are articles and the rest are books and conference papers.

It indicates that overcoming the changing environmental conditions of business is the use of concepts and integrated models of the supply chain. The synergistic effect of the features of the components of the composite model is to maximize the efficiency of the supply chain.