Siahaan, S.B. , Simbolon, N.H. , Fatma Dwi Jati and 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 (Feb. 2026), 1270-1281. DOI:https://doi.org/10.35335/mantik.v9i4.6870.