“Forecasting Service Sales Turnover Using Double Exponential Smoothing Method (case Study: Kinclong Sub)”. JEECS (Journal of Electrical Engineering and Computer Sciences) 7, no. 1 (June 30, 2022): 1169–1176. Accessed March 16, 2026. https://ejournal.ubhara.ac.id/index.php/jeecs/article/view/29.