Lestari EK, Fauzi A, Hutagaol MP, Hidayat A. Analysis of Sugarcane Farming in the Sugar Mill District Semboro Jember, Indonesia: A Data Envelopment Analysis Application. IJSBAR. 2016;25(2):157-171. Accessed December 10, 2025. https://gssrr.org/JournalOfBasicAndApplied/article/view/5165