Hartati, Anny. “Pengaruh Perilaku Petani Terhadap Risiko Keefisienan Usahatani Kentang Di Kabupaten Wonosobo Jawa Tengah”. Agroland: Jurnal Ilmu-ilmu Pertanian 14, no. 3 (July 17, 2020): 165 - 171. Accessed November 22, 2024. http://103.245.72.23/index.php/agrolandnasional/article/view/464.