Entrue Journal of Information Technology, vol. 9, no. 1, page. 29 - 44, 2010-01
Thesis(Doctor), 2011
Entrue Journal of Information Technology, vol. 10, no. 1, page. 19 - 27, 2011-01
Entrue Journal of Information Technology, vol. 10, no. 2, page. 21 - 31, 2011-07