[1]
T. Firomsa, A. Husien, K. Assefa, T. Abera, A. Lemma, and C. Hundessa, “Effect of phosphorus and determination of optimum nitrogen for bread wheat in Kofele District, West Arsi Zone of Oromia, Ethiopia”, J Sci Agri, vol. 4, pp. 34–37, May 2020.