M. R. Fadli and W. . Sulistiyowati, “Optimization of Pipe Production Scheduling in Line 18 Using First Come First Serve (Fcfs), Earlier Due Date (Edd), Short Process Time (Spt) Methods (Case Study: Pt Wtur): Optimalisasi Penjadwalan Produksi Pipa Di Line 18 Dengan Metode First Come First Serve (Fcfs), Earlier Due Date (Edd), Short Process Time (Spt) (Studi Kasus : Pt Wtur)”, prozima, vol. 3, no. 2, pp. 44–54, Mar. 2021.