SAPUTRO, D. K.; 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. Procedia of Engineering and Life Science, [S. l.], v. 1, n. 1, 2021. DOI: 10.21070/pels.v1i1.853. Disponível em: https://pels.umsida.ac.id/index.php/PELS/article/view/853. Acesso em: 13 aug. 2025.