Cover Vol. 6 (2), October 2017 Authors Jurnal Signifikan DOI: https://doi.org/10.15408/sjie.v6i2.5729 Abstract Cover Vol. 6 (2), October 2017 Author Biography Jurnal Signifikan Downloads PDF Published 2017-07-01 Issue Vol. 6 No. 2 (2017) Section Articles
