Penulis Yubilly M.G.R Nangka Harijanto Sabijono Steven Tangkuman DOI: https://doi.org/10.32400/gc.9.1.25214.2014 Kata Kunci: Abstrak Unduhan PDF (English) Diterbitkan 2014-03-31 Terbitan Vol 9 No 1 (2014) Bagian Articles Lisensi Author keep the copyright of the article published in this journal