Siskawati. “Analisis Pendapatan Usahatani Tanaman Tomat ( Lycopersiyum Exsculentum Mill )”. Vegetasi 17, no. 2 (Agustus 30, 2021). Diakses Februari 25, 2026. https://siakad.univamedan.ac.id/ojs/index.php/vegetasi/article/view/120.