Amare Fufa, Taye Tessema, Zelalem Bekeko, and Tewodros Mesfin, “Eco-Biological Studies on Wild Sunflower (Verbesina encelioides) in the Central Rift Valley of Ethiopia : Eco-Biology of Wild Sunflower”, PMJoE, vol. 24, no. 01, pp. 1–21, May 2021.