AYANWALE, A. B. ., & BAMIRE , A. S. . (2021). COSTS AND RETURNS IN ALTERNATIVE POULTRY EGG PRODUCTION MANAGEMENT SYSTEMS IN TWO LOCAL GOVERNMENT AREAS OF OGUN STATE OF NIGERIA . Nigerian Journal of Animal Production, 23(2), 193–198. https://doi.org/10.51791/njap.v23i2.2370