Sibarani, H.J., Bill Maximillian and Hendrik 2021. The Effect of Product Excellence, Satisfaction and Marketing Communication of Tabanas Products on Customer Loyalty Saving at PT. Bank Mestika Dharma Tbk, Kcp Tomang Elok Medan. Jurnal Mantik. 4, 4 (Feb. 2021), 2675-2681. DOI:https://doi.org/10.35335/mantik.Vol4.2021.1237.pp2675-2681.