Endaryanto T, Zakaria WA, Indah LSM, Mutolib A. Production Efficiency of Cassava Farming with a Stockhastic Frontier Approach in Lampung Province. JPPT [Internet]. 2023Jun.30 [cited 2024May10];23(2):311-22. Available from: https://jurnal.polinela.ac.id/jppt/article/view/2533