“ANALISIS PENGARUH PROMOTIONAL MIX TERHADAP KEPUTUSAN NASABAH PENGGUNA JASA BANK RAKYAT INDONESIA CABANG BRIGJEN KATAMSO YOGYAKARTA” (2018) Jurnal Optimal, 7(1), pp. 19–30. Available at: https://jurnal.stieieu.ac.id/index.php/opt/article/view/50 (Accessed: 4 October 2026).