KITILA, G. M.; ALEMU, B. A. Analysis of Technical Efficiency of Small Holder Maize Growing Farmers of Horo Guduru Wollega Zone, Ethiopia: A Stochastic Frontier Approach. Science, Technology and Arts Research Journal, [S. l.], v. 3, n. 3, p. 204–212, 2014. Disponível em: https://journals.wgu.edu.et/index.php/star/article/view/568. Acesso em: 3 aug. 2026.