Leovita A, Sintya SZ, Fauzi D. Analisis Pendapatan Usahatani Ubi Jalar Di Kecamatan Koto Tengah Kota Padang. Sigmagri; Res. J. Soc. Agric. Policies, Econ. Agribus. [Internet]. 2023 Aug. 5 [cited 2025 May 11];3(1):41-8. Available from: https://ojs.unwaha.ac.id/index.php/sigmagri/article/view/901