Sinaga, Riska Elsa Rianty, Nuhfil Hanani, and Dwi Retno Andriani. 2024. “Factors Affecting Technical Efficiency in Potato Farming: A Data Envelopment Analysis (DEA) Study in East Java, Indonesia”. Agriecobis : Journal of Agricultural Socioeconomics and Business 7 (01):81-88. https://ejournal.umm.ac.id/index.php/agriecobis/article/view/32539.