About Author Yuliansyah e-mail : yuliansyah.at.itenas.ac.id Office : Institut Teknologi NasionalJl. PH.H. Mustofa No.23, Bandung, IndonesiaPhone : (+62) 7272215 Academic Background yuliansyah Office : Institut Teknologi NasionalJl. PH.H. Mustofa No.23, Bandung, IndonesiaPhone : (+62) 7272215 […] Read More