Open Science Research Excellence
Aye Sandar Win,  Design and Construction of Microcontroller-Based Telephone Exchange System.   journal   = {International Journal of Electrical, Computer, Energetic, Electronic and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. October 2008, vol. 22(10). 2113 - 2119[viewed 23 February 2019]. Available from: http://waset.org/publications/3916.