فهرس المقالات Mohamad javad Jamshidi المقاله 1 - The role of digital technologies in circular entrepreneurship with a focus on business models Atieh Khodaei Mahdi Hosseinpour Mohamad javad Jamshidi yosof mohamadifar Journal of System Management , العدد 5 , السنة 10 , پاییز 2024