[1]
Muhammad Dzaky Al Tovic and Eko Budi Santoso 2026. Frontier Shifts Without Ranking Changes: Evaluating Service Level Agreements on the Efficiency and Productivity of Energy Tanker Fleets Using a DEA–Malmquist Approach and Mixed Methods. Jurnal Ilmiah Multidisiplin Indonesia (JIM-ID). 5, 07 (Jul. 2026), 1953–1969.