Endaryanto, Teguh, Wan Abbas Zakaria, Lidya Sari Mas Indah, and Abdul Mutolib. “Production Efficiency of Cassava Farming With a Stockhastic Frontier Approach in Lampung Province”. Jurnal Penelitian Pertanian Terapan 23, no. 2 (June 30, 2023): 311-322. Accessed May 10, 2024. https://jurnal.polinela.ac.id/jppt/article/view/2533.