Azkia, M .& Darbanastaneh, A. (2003). Applied research methods. Tehran: Keyhan. (In Persian)
Bani eqbal, N. & Asadi, L. (2006). A survey on familiarity and use of the library in students of Islamic Azad University, North Tehran Branch. Book Quarterly, 17 (65), 37-48. (In Persian)
Biabangard, I. (2007). Research methods in Psychology and Education, V.1, Tehran: Rvan publication. (In Persian)
Danai Fard, H., Alvani, M. & Azer, A. (2004). Quantitative research methodology in management: a comprehensive approach. Tehran: Saffar, Ashraqy. (In Persian)
Delavar, A. (2008) the probable and Applied Statistics in Psychology and Educational Sciences. Tehran: Roshd. (In Persian)
Gangadharesha A.S., Tejaswini T., Surulinathi M. & Ravinandhan V. (2006) Digital reference services in the virtual world , Najmeh Bagherian, Monthly of information seeking and information, 10, 61-66. (In Persian)
Gholami, T. (2009). Digital reference services. Tehran: Ktabdarv. (In Persian)
Guidelines for Implementing and Maintaining Virtual Reference Services. RUSA Board of Directors, March 2010. Retrieved from http://www.ala.org/rusa
Horri, A. & Shahbodaghi, A. (2006). Methods cite on scientific writing: international guidelines. Tehran: Tehran University.
IFLA digital reference guideline (2009). Retrieved from http://www.ifla.org/VII/s36/pubs/drg03 .html.
Keenan, S. (1999). Concise Dictionary of Library and Information Science, Fatemeh Asadi Gorgani, Tehran: Ketabdar. (In Persian)
Kern, M. Kathleen (2009), Virtual reference best practices : tailoring services to your library, Ali Akbar Khaseh & Rahim Alijani, Tehran: Ketabdar, 2012. (In Persian)
Lankes, D. et al (2006), Virtual Reference Desk: creating a reference future, Mehdi Mohammadi & Mehri Izadi Yeganeh. Tehran: Chapar, 2009. (In Persian)
Mansouri, A. & Pashotni Zadeh, M. (2006). The importance of digital reference desk in the library and guidelines for DRD software design with emphasis on reference service. journal of Information Science and Technology, 21 (4), 1-18. (In Persian)
Mohammadifard, D. (2006). Recognition and implementation of digital libraries and virtual. Tehran: Chapar. (In Persian)
Namazi, A. (2003). Determine the parameters in the design of digital libraries in Iran. Master Thesis Industrial Engineering, Tarbiat Modarres University in Tehran, Faculty of Engineering, Tehran. (In Persian)
Radfar, H.R. (2004). The feasibility of offering a web-based library services in the libraries of the Atomic Energy Organization of Iran. Master Thesis Library and Information Science, Islamic Azad University, North Tehran, Tehran. (In Persian)
Sofi, M. (2005). Electronic factories, Tehran: Hezareh sevom andysheh. (In Persian)
Tabatabai Amiri, F. & Ahmadian, A. (2009) Collaborative Digital Reference Service: The new way in digital reference services, electronic magazine of scientific communication: http://ejournal.irandoc.ac.ir/browse.php?a_id=47&slc_lang=en&sid=1&ftxt=1
Xiangming Mu, et al. (2011), A Survey and Empirical Study of Virtual Reference Service in Academic Libraries, The Journal of Academic Librarianship, doi:10.1016/j.acalib.2011.02.003
Zebardast, M. (2010). Digital reference services at the system "Ask the librarian" Organization of Libraries, Museums and Documents Center of Astan Quds Razavi. Shmseh, 2 (6), 20-40. (In Persian)
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