Lestari, S.P. et al. 2020. Analisis Daya Saing Usahatani Jagung di Kabupaten Lampung Selatan. Journal of Food System and Agribusiness. 4, 2 (Oct. 2020), 66–75. DOI:https://doi.org/10.25181/jofsa.v4i2.1606.