Penulis Yuuki Jonas John Assa Harijanto Sabijono Sintje Rondonuwu DOI: https://doi.org/10.32400/gc.14.1.22476.2019 Kata Kunci: Abstrak Unduhan PDF (English) Terbitan Vol 14 No 1 (2019) Bagian Articles Lisensi Author keep the copyright of the article published in this journal