Nadhila N, Tulus, Mardiningsih. Efficiency of Environmental Performance Measurement Using Data Envelopment Analysis (DEA) With Fuzzy Approach: English. J. of Research in Math. Trends and Tech. [Internet]. 2025 Sep. 19 [cited 2025 Dec. 18];7(2):65-71. Available from: https://idjpcr.usu.ac.id/jormtt/article/view/21717