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Sannita, Sannita and Harahap, Darwis and Efendi, Sulaiman and Husni, Husni (2022) Strategies for handling problematic atm complaints in increasing customer satisfaction at PT. Bank Muamalat Indonesia, TBK KC Padangsidimpuan. Journal of Sharia Banking, 1 (2). pp. 177-183. ISSN 2827 9344