https://jurnal.unusu.ac.id/index.php/jurnalekonomi en-US Jurnal UNUSU https://jurnal.unusu.ac.id/index.php/jurnalekonomi/article/view/1 <p>manual book</p> author Copyright (c) 2019 Jurnal Ekonomi 2019-11-27 2019-11-27 1 1 1 60