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