Guntur, M. (2023) “Average Opportunity Cost Method dan Average Total Opportunity Cost Method Menggunakan Modified Distribution dalam Mengoptimalkan Biaya Transportasi”, Prosiding Seminar Nasional Teknik Industri (SENASTI), 1, pp. 88–97. Available at: https://ojs.uajy.ac.id/index.php/SENASTI/article/view/7930 (Accessed: 30 November 2025).