Lesmana A, Purwandari I, Rahmawati S. Analisis Peran Koperasi Sido Makmur dalam Meningkatkan Produktivitas Petani Tebu di Purwomartani Kapanewon Kalasan Kabupaten Sleman: Analysis of the Role of Sido Makmur Cooperative in Improving the Productivity of Sugarcane Farmers in Purwomartani, Kalasan District, Sleman Regency. AFT [Internet]. 2026 Sep. 29 [cited 2026 Oct. 24];6(2):191-200. Available from: https://jurnal.instiperjogja.ac.id/index.php/AFT/article/view/2183