Hussain, S. S., J. A. ., A. R. J. ., M. F. ., and W. E. S. K. . “Cellular Services Packages and Their Impact on Social Values of Youth”. Journal of Economics and Behavioral Studies, Vol. 4, no. 4, Apr. 2012, pp. pp. 204-210, doi:10.22610/jebs.v4i4.318.