Saputro DK, Sukmono T. Entertainment Cost Efficiency Analysis With Data Envelopment Analysis (Dea) And Fuzzy Logic (Flp & C-Iowa) Approach To Sales Level: Analisa Efisiensi Biaya Entertainment Dengan Pendekatan Data Envelopment Analysis (Dea) Dan Fuzzy Logic (Flp & C-Iowa) Terhadap Tingkat Penjualan. PELS [Internet]. 2021 Mar. 30 [cited 2025 Jun. 27];1(1). Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/853