Putra, B. I., & Ardiansah, A. Y. (2026). Operational Productivity Index Patterns in Logistics Services Using Mundel Model: Pola Indeks Produktivitas Operasional dalam Layanan Logistik Menggunakan Model Mundel. Indonesian Journal of Law and Economics Review, 20(3), 10.21070/ijler.v20i3.1505. https://doi.org/10.21070/ijler.v20i3.1505