Masytha Siagian, N., Dwi Sena, M. and Madonna Yuma, F. 2026. E-CRM MYSAFFANA FOR OPTIMIZING CUSTOMER AND TRANSACTION DATA AT SAFFANA BOUTIQUE . JURTEKSI (jurnal Teknologi dan Sistem Informasi). 12, 2 (Mar. 2026), 231-238. DOI:https://doi.org/10.33330/jurteksi.v12i2.4435.