Articles:
1) Editors' Introduction.
2) Human Tracking in a Certain Closed Area based on Global Positioning System (GPS). --Yohanes Gerdisen, Vincent Solid, Osmond Wahyudi, Daniel Patricko Hutabarat and Rinda Hedwig.
3) Prevention Techniques for Traffic Congestion Based On Intelligent Light Control and Deviation System. --Balamurugan B, Venkatakrishna P, UmaMageshwari R, and Gomathi P.
4) Subscribers Load Balancing Implementation on Prepaid System. --Bens Pardamean and M. Dista Riza Wirman.