NAWAZ, M.; AKHTAR, D. S.; NAZIR, A.; FAISAL, M. Technical Efficiency and Its Determinants in Wheat Production: Evidence from Punjab, Pakistan. Journal of Economic Impact, [S. l.], v. 2, n. 1, p. 37–42, 2020. DOI: 10.52223/jei0201205. Disponível em: http://www.scienceimpactpub.com/journals/index.php/jei/article/view/28. Acesso em: 5 may. 2024.