OPPONG, . B. A.; ONUMAH, . E. E. .; ASUMING-BREMPONG, S. Technical efficiency and production risk of maize production: Evidence from Ghana. Journal of Energy and Natural Resource Management, [S. l.], v. 3, n. 2, 2016. DOI: 10.26796/jenrm.v3i2.90. Disponível em: http://jenrm.uenr.edu.gh/index.php/uenrjournal/article/view/90. Acesso em: 4 may. 2024.