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   3. Ministry of Internal Affairs and Telecommunications of Japan, “Damage,Restoration and Future Response of the Telecommunications Carriers in the 2004 Mid Niigata Prefecture Earthquake” (in Japanese), The Report of Liaison Meeting Concerning Telecommunication Service Securing atDisaster, pp. 1– 19, Dec. 2004
   4. R. Gupta. Quality of Service in Ad-Hoc Networks. PhD thesis, UCBerkeley, May 2005.S.M.George, w.zhou, H.Chenji ,M.Won, Y.O.Lee, A.Pazarloglou and R.Stoleru, DistressNet:A wireless Adhoc and Sensor Network Architecture for situation Management in Disaster ResponseIEEEE Communications Magzine ,PP:-128-136, March 2010
   5. A Wireless Sensor Network Protocol for Disaster Management SumanSaha 1#, Mitsuji Matsumoto 2 1 GITS, Waseda University Tokyo, Japan,
   6. Improvement on LEACH Protocol of Wireless Sensor Network Fan Xiangning1,2 Song Yulin2 1 Institute of RF-&-OE-ICs, School of Information Science and Engineering, Southeast University, Nanjing, 210096, China 2 National Mobile Communications Research Laboratory, Southeast University, Nanjing, 210096, China
   7.  AODV Routing Protocol Implementation Design Ian D. Chakeres Dept. of Electrical & Computer Engineering University of California, Santa Barbara ,Elizabeth M. Belding-Royer Dept. of Computer Science University of California, Santa Barbara.
   8. Adoption and Use of Computer-Based Voice Over Internet Protocol Phone Service: Toward an Integrated Model,byNamkee Park . Journal of Communication, Volume 60, Issue 1, 1 March 2010, Pages 40–72,https://doi.org/10.1111/j.1460- 2466.2009.01440.xPublished:25 February 2010