Ritonga, Mei Linda, Yenni Samri Juliati Nasution, and Muhammad Ikhsan Harahap. 2024. “The Analysis of the Role of Electronic Word of Mouth (E-WOM) in Increasing the Number of Customers at Bank Sumut Syariah KCP Rantauprapat”. Kontigensi : Jurnal Ilmiah Manajemen 12 (1), 461-70. https://doi.org/10.56457/jimk.v12i1.578.