Saputro DK, Sukmono T. Entertainment Cost Efficiency Analysis With Data Envelopment Analysis (Dea) And Fuzzy Logic (Flp & C-Iowa) Approach To Sales Level. PELS [Internet]. 2021Mar.30 [cited 2024May5];1(1). Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/853