AJIBEFUN, I. A. Determinants of technical efficiency in traditional agricultural production: application of stochastic frontier modelling to food crop farmers in South-Western Nigeria. African Journal of Economic Policy, [S. l.], v. 10, n. 2, p. 31–56, 2006. DOI: 10.4314/ajep.v10i2.24263. Disponível em: https://www.ajol.info/index.php/ajep/article/view/24263. Acesso em: 6 oct. 2026.