Hanida Triana Rahma, Rokhmat Subagiyo. The Effect Of Promotıon, Qualıty Of Servıce, And Product Understandıng On A Customer’s Decısıon To Choose Bankıng Products In BSI Surabaya. INCOILS [Internet]. 2023 Jan. 6 [cited 2025 Nov. 25];2(1). Available from: https://incoils.or.id/index.php/INCOILS/article/view/110