Basudani, Wahid, Valentine Simamora, Gani Wiharso, Muhammad Abdullah, and Hary Mulyadi. 2022. “Customer Satisfaction and Loyalty Management of Bank Sahabat Sampoerna Branch Kelapa Gading”. Jurnal Mandiri : Ilmu Pengetahuan, Seni, Dan Teknologi 6 (2), 99 - 115. https://doi.org/10.33753/mandiri.v6i2.215.