Wubie, A. A., Damot, G. A. and Herrero, V. F. (2019) “Effect of N, P and Farmyard Manure on Noug (Guizotia abyssinica Cass.) Yield in Ebinat District”, Journal of Agriculture and Environmental Sciences, 1(2). doi: 10.20372/jaes.v1i2.172.