Fitri, Yanuar, and Saidin Nainggolan. “Technical Efficiency Analysis of Potato Farming in Kerinci Regency-Indonesia (Approach Data Envelopment Analysis Method)”. International Journal of Environment, Agriculture and Biotechnology 7, no. 3 (June 30, 2022). Accessed November 25, 2024. https://journal-repository.com/index.php/ijeab/article/view/5130.