Ismiasih, Ismiasih, and Jamhari Jamhari. “Technical Efficiency Of Shallot Farming In Indonesia : Stochastic Frontier Approach”. Jurnal Penelitian Pertanian Terapan 24, no. 2 (June 14, 2024): 171–180. Accessed September 17, 2026. https://jurnal.polinela.ac.id/index.php/jppt/article/view/3307.