Manuscript title: Management in sales and transportation and logistics in pharmaceuticals

The purpose of this study is to identify the factors affecting the sale of generic drugs. Ceuticalproducts are produced throughout their life cycle in order to achieve a more comprehensive planning and to avoid the product life cycle (PLC) decline stage. According to the results, "aggregate demand and accurate forecasting," "marketing efforts," and "a company's R&D activities" are the most critical. Factors involved in the formation of a generic pharmaceutical PLC. A ۲۰-۵۰% increase in marketing and research and development activities by manufacturers can increase sales by more than ۵۰% in the PLC reduction stage. On the other hand, pharmaceutical logistics is primarily related to transportation management and supply chain management, many complex goods, most of which require special requirements for their logistics care, which are discussed below.