Birihanu, G. A. ., Dassa, A. R. ., & Husen, C. H. . (2023). Analysis of Tomato and Onion Production Efficiency in Ejersa Lafo District of West Shewa Zone, Oromia National Regional State, Ethiopia. Journal of Science and Sustainable Development, 10(1), 13-27. https://doi.org/10.20372/au.jssd.10.1.2022.0357