Penulis Wanda Regina Umboh Sam Ratulangi University Jantje J Tinangon Sam Ratulangi University Dhullo Afandi Sam Ratulangi University DOI: https://doi.org/10.32400/gc.15.2.27838.2020 Kata Kunci: Abstrak Unduhan PDF (English) File Tambahan Hasil Uji (English) Diterbitkan 2020-02-05 Terbitan Vol 15 No 2 (2020) Bagian Articles Lisensi Author keep the copyright of the article published in this journal
