Siregar FA. SIGNIFIKANSI BIAYA PROMOSI, DANA PIHAK KETIGA, INFLASI DAN ZAKAT TERHADAP RETURN ON ASSETS BANK UMUM SYARIAH DEVISA PERIODE 2015-2017. ES [Internet]. 2021Aug.26 [cited 2024Apr.29];1(1):92-100. Available from: https://jurnal.stain-madina.ac.id/index.php/eksya/article/view/506