Estimating the technical and economic efficiency of tomato crop farms in Samarra district for the production season 2022. Euphrates journal of agricultural science, [S. l.], v. 15, n. 2, p. 348–356, 2023. Disponível em: https://ejs-agri.com/index.php/EJAS/article/view/97. Acesso em: 12 nov. 2026.