Penulis Brilliant Joy Leonardo Kalangie Grace B. Nangoi Inggriani Elim DOI: https://doi.org/10.32400/gc.11.1.10556.2016 Abstrak Unduhan PDF (English) Diterbitkan 2016-03-31 Terbitan Vol 11 No 1 (2016) Bagian Articles Lisensi Author keep the copyright of the article published in this journal