Munawwarah, S. and Sarifah, L. 2025. Forecasting the Number of BMT NU Lenteng Branch Customers Using the Single Exponential Smoothing Method. Zeta - Math Journal. 10, 1 (May 2025), 11–18. DOI:https://doi.org/10.31102/zeta.2025.10.1.11-18.