“ANALISIS PENGARUH PROMOTIONAL MIX TERHADAP KEPUTUSAN NASABAH PENGGUNA JASA BANK RAKYAT INDONESIA CABANG BRIGJEN KATAMSO YOGYAKARTA”. Jurnal Optimal 7, no. 1 (February 19, 2018): 19–30. Accessed October 4, 2026. https://jurnal.stieieu.ac.id/index.php/opt/article/view/50.