ETEFA, Teka. Analysis of farm households’ price efficiency in the production of Maize: The case of Abobo District, Gambella Regional State, Ethiopia: An application of stochastic frontier analysis and dual cost approach. Journal of Forestry and Natural Resources, Ethiopia, v. 4, n. 2, p. 13–22, 2025. DOI: 10.20372/vsggzf08. Disponível em: https://journals.hu.edu.et/hu-journals/index.php/jfnr/article/view/1541.. Acesso em: 17 jan. 2026.