“Effect of Post Emergence Herbicides and Their Mixtures on Weed Dynamics, Yield Components and Yield of Rice (Oryza Sativa L.), at Guraferda Woreda , South Western Ethiopia”. 2018. Global Journal of Science Frontier Research 18 (D6): 1-13. https://www.journalofscience.org/index.php/GJSFR/article/view/2354.