Penulis Novi S Budiarso DOI: https://doi.org/10.32400/gc.9.2.5062.2014 Kata Kunci: Abstrak Unduhan PDF (English) Diterbitkan 2014-06-30 Terbitan Vol 9 No 2 (2014) Bagian Articles Lisensi Author keep the copyright of the article published in this journal