Pourkiyani, Farzaneh, Vahdat, Davood, Askari Moghadam, Reza, Nazemi, Eslam, dadashi, alireza. “Rating the Effective Elements over E- Procurement Adoption in Organization by Statistical Method and Analytical Hierarchy Process Case study: Iranian Islamic Republic Railways .” Roshd -e- Fanavari, vol. 9, no. 36, 2013, pp. 1-10.