Sima SA. Mathematical Programming Model for the Two-Level Facility Location Problem: The Case of Tanzanian Emergence Maize Distribution Network for 2004–2010 Maize Data. Tanz. J. Sci. [Internet]. 2021 Aug. 31 [cited 2024 Apr. 19];47(3):1020-32. Available from: https://tjs.udsm.ac.tz/index.php/tjs/article/view/765