Formulation and estimation of stochastic frontier production models in egg-laying enterprise in Akwa Ibom State, Nigeria E O Effiong DOI: 10.4314/gjpas.v13i4.16738 Abstract No Abstract.GJPAS Vol. 13 (4) 2007: pp. 469-474 PDF Published 2008-01-14 Issue Vol. 13 No. 4 (2007) Section Articles © 2018. This work is licensed under the creative commons Attribution 4.0 International license.