Nababan, E. S. ., Sihaloho, A., Husna, K. . and Ilham, R. . (2022) “Production Optimization Using Fuzzy Linear programming Method (Case Study: UMKM Untir-untir and Raja Manis Factory) ”, Journal of Research in Mathematics Trends and Technology, 4(2), pp. 15-23. doi: 10.32734/jormtt.v4i2.16640.