Optimizing Production Quantities of Perishable Products Based on Demand Patterns Using Time Series Analysis and the Newsboy Problem at Muun Donuts Lhokseumawe. jse [Internet]. 2026 Aug. 10 [cited 2026 Oct. 14];11(3). Available from: https://jse.serambimekkah.id/index.php/jse/article/view/2066