Sutejo LW, Amsirun. Analysis of the Application of the First In First Out (FIFO) Method on Operational Management Efficiency. icameka [Internet]. 2026 Jan. 23 [cited 2026 Apr. 8];2:821-7. Available from: http://icamekaproceedings.fe.uniska-kediri.ac.id/index.php/icameka/article/view/197