Sudewa, Jaka. “KERAGAAN USAHA TANI UBI CILEMBU DALAM RANGKA MENGKOPERASIKAN PETANI”. Coopetition : Jurnal Ilmiah Manajemen 10, no. 2 (November 4, 2019): 73–84. Accessed May 1, 2024. https://journal.ikopin.ac.id/index.php/coopetition/article/view/41.