Munawwarah, Siti, and Luluk Sarifah. “Forecasting the Number of BMT NU Lenteng Branch Customers Using the Single Exponential Smoothing Method”. Zeta - Math Journal 10, no. 1 (May 22, 2025): 11–18. Accessed January 25, 2026. http://journal.uim.ac.id/index.php/zeta/article/view/3301.