1. 1. N. Jagan Mohan Reddy et al, “Wireless electronic display board using GSM technology”, International Journal of Electrical, Electronics and Data Communication, vol. 1, no. 10, pp. 50-54, 2013
   2. Gamini Jayasinghe et.al. “A GSM alarm device for disaster early warning,” in IEEE conference on Industrial and Information Systems, pp. 383-387, 2006.
   3. N. Khera, A. Verma, “Development of an intelligent system for bank security”, IEEE conference on Confluence: The Next Generation Information Technology Summit, pp. 319-322, 2014
   4. Z. Wanli, “The design of communications dispatch module based on GSM”, in IEEE conference on Computer Technology and Development, pp. 583-585, Nov. 2010
   5. N. Deblauwe, “GSM-based Positioning: Techniques and Applications”, Vubpress, Brussels university press, 2008.
   6. S. Morsalin et. al. “Password protected multiuser wireless electronic noticing system by GSM with robust algorithm”, in IEEE conference on Electrical Information and Communication Technology, pp. 249-253, 2015.
   7. P. Kumar et. al. “GSM based e-Notice Board: Wireless Communication”, International Journal of Soft Computing and Engineering, vol. 2, no. 3, pp. 601-605, 2012
   8. J. Purdum, “Beginning C for Arduino, Second Edition: Learn C Programming for the Arduino”, Apress, 2015.
   9. D.V. Gadre, “Programming and customizing the AVR Microcontroller,” McGraw-Hill, New York, 2007.
   10. Andreas, F. and Molisch, “Wireless communications”, 2nd edition, Wiley, Nov. 2010.
   
   
2. 1. N. Jagan Mohan Reddy et al, “Wireless electronic display board using GSM technology”, International Journal of Electrical, Electronics and Data Communication, vol. 1, no. 10, pp. 50-54, 2013
   2. Gamini Jayasinghe et.al. “A GSM alarm device for disaster early warning,” in IEEE conference on Industrial and Information Systems, pp. 383-387, 2
   3. N. Khera, A. Verma, “Development of an intelligent system for bank security”, IEEE conference on Confluence: The Next Generation Information Technology Summit, pp. 319-322, 2014.
   4. Z. Wanli, “The design of communications dispatch module based on GSM”, in IEEE conference on Computer Technology and Development, pp. 583-585, Nov. 2010.
   5. N. Deblauwe, “GSM-based Positioning: Techniques and Applications”, Vubpress, Brussels university press, 2008
   6. S. Morsalin et. al. “Password protected multiuser wireless electronic noticing system by GSM with robust algorithm”, in IEEE conference on Electrical Information and Communication Technology, pp. 249-253, 2015.
   7. P. Kumar et. al. “GSM based e-Notice Board: Wireless Communication”, International Journal of Soft Computing and Engineering, vol. 2, no. 3, pp. 601-605, 2012.
   8. J. Purdum, “Beginning C for Arduino, Second Edition: Learn C Programming for the Arduino”, Apress, 2015.
   9. D.V. Gadre, “Programming and customizing the AVR Microcontroller,” McGraw-Hill, New York, 2007.
   10. Andreas, F. and Molisch, “Wireless communications”, 2nd edition, Wiley, Nov. 2010.