Title	A Study on the Role of the Trade Related to the Electronic Businesses in Profitability of Online Stores (Case Study: Online Sales of SAYPA Products)
Author	Parham Arjmand and Ali tahmasebi boldaji
Citation	Vol. 18  No. 1  pp. 190-197
Keywords	E-business, timely delivery, SAIPA, profitability, online sale

Title	Information Technology (IT) in Hospitals' Nursing Management: Mixed Method Study
Author	Sefollah Alaei, Ali Valinejadi, Sohaila Zarein, Jamileh Salar
Citation	Vol. 18  No. 1  pp. 183-189
Keywords	Health Information Technology, Nursing Management, Hospital.

Title	3D Simulation of Impedance Tube: Effect of Mesh Size on Sound Absorption Characteristic
Author	Parvin. Ahmadinejad, Mohammad Reza. Monazzam
Citation	Vol. 18  No. 1  pp. 179-182
Keywords	noise absorber, simulation, finite element, impedance tube.

Title	A Study on the Role and Status of Customers’ Trust and Economic Risk in E-Businesses with an Emphasis on Customers’ Behaviors (Case Study: Tehran Province Ayandeh Bank E-Banking Customers)
Author	Parham Arjmand, Ali tahmasebi boldaji
Citation	Vol. 18  No. 1  pp. 173-178
Keywords	E-banking, customers’ loyalty, websites, E-services quality, received value