Sampul Authors Buletin UPN DOI: https://doi.org/10.31315/be.v17i1.5557 Downloads PDF Published 2019-04-30 Issue Vol. 17 No. 1 (2019): Buletin Ekonomi: Manajemen, Ekonomi Pembangunan, Akuntansi; April 2019 - Oktober 2019 Section Front Matter