1Wahab Musa, 2Ku Ruhana Ku-Mahamud, 3Azman Yasin
1Electrical Engineering Dept. Universitas Negeri Gorontalo, Indonesia
2,3 School of Computing, College of Arts and Sciences, Universiti Utara Malaysia, 06010 UUM Sintok, Kedah, Malaysia
Email: 1wmusa2001@yahoo.com, 2ruhana@uum.edu.my, 3yazman@uum.edu.my