Darmawati Putri D, Kartika Eka Wijayanti I, Mulyani A, Sutanto A, Satriani R, Suyono, Kusnaman D. The Perception of Contract Farming on The Sustainable Production of Potato in Indonesia. JONAS [Internet]. 2023 Nov. 7 [cited 2025 Dec. 6];1(1):1-11. Available from: https://journal-lkpdci.tematikapertanusantara.sch.id/index.php/JONAS/article/view/16