Penulis Marsion Immanuel Kant Simangunsong David Paul Elia Saerang Inggriani Elim DOI: https://doi.org/10.32400/gc.10.2.8367.2015 Abstrak Unduhan PDF (English) Terbitan Vol 10 No 2 (2015) Bagian Articles Lisensi Author keep the copyright of the article published in this journal