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Sugiyanta, S.; Tustiyani, I.; Dinarti, D. Improving the Effectivity of Urea Fertilizer in Shallot by Using Urease and Nitrification Inhibitors. J. Ilmu. Pertan. Indones. 2019, 24 (4), 289-294. https://doi.org/10.18343/jipi.24.4.289.