List of Articles Open Access Article Abstract Page Full-Text 1 - Improving the business environment and economic development, the position and duties of executive organizations; Case study: Country Property and Deeds Registration Organization jamil milani Open Access Article Abstract Page Full-Text 2 - The effect of internal marketing on the company's sales performance in the self-organization model giti tavana jamshid edalatian shahriari Open Access Article Abstract Page Full-Text 3 - The Impact of Monetary Policy Uncertainty on Cash Holding with Emphasis on Limited Liability Companies fatemeh sarraf hamideh badami Open Access Article Abstract Page Full-Text 4 - The impact of economic instability on the Iranian stock market with an emphasis on the EPU index - the uncertainty of economic policies. Damon Hedayatpour mohammad khezri bijan safavi Open Access Article Abstract Page Full-Text 5 - The impact of open innovation on the empowerment of employees, the productivity of knowledge sharing Mellat Bank, Region 4) mahnaz bagheri Tanha Open Access Article Abstract Page Full-Text 6 - The role of entrepreneurial leadership on the development of innovative activities (case study: employees of medical centers in Tehran) hamid kakaei Zahra Shokri Marjan DamanKeshideh