Dawuda, M., P. Boateng, O. Hemeng, and G. Nyarko. “Growth and Yield Response of Carrot (<i>Daucus Carota l</I>.) to Different Rates of Soil Amendments and Spacing”. Journal of Science and Technology (Ghana), vol. 31, no. 2, Sept. 2011, doi:10.4314/just.v31i2.69389.