Siahaan, S. B. ., Simbolon, N. H. ., Fatma Dwi Jati, & Listya, K. . (2026). Developing a Customer Service Communication Model to Enhance Professional Image: A Case Study of Early-Stage Laundry Business. Jurnal Mantik, 9(4), 1270-1281. https://doi.org/10.35335/mantik.v9i4.6870