Worku Burayu, Sombat Chinaowong, Rungsit Suwanketnikom, Thongchai Mala, & Sunanta Juntakool. (2006). Conservation Tillage and Crop Rotation: Concomitant Systems to Incorporate Tef [Eragrostis tef (Zucc.) Trotter] Production with Sustainability in the Dryland Oromia. Agriculture and Natural Resources, 40(2), 314–321. retrieved from https://li01.tci-thaijo.org/index.php/anres/article/view/243605