Nadhila, N., Tulus and Mardiningsih 2025. Efficiency of Environmental Performance Measurement Using Data Envelopment Analysis (DEA) With Fuzzy Approach: English. Journal of Research in Mathematics Trends and Technology. 7, 2 (Sep. 2025), 65–71. DOI:https://doi.org/10.32734/jormtt.v7i2.21717.