HartonoA.; NugrohoB.; NadaliaD.; RamadhaniA. Dynamics of Nitrogen Release by Four Types of Urea in Flooded Conditions: Dinamika Pelepasan Nitrogen Empat Jenis Pupuk Urea Pada Kondisi Tanah Tergenang. Jurnal Ilmu Tanah dan Lingkungan, v. 23, n. 2, p. 66-71, 1 Oct. 2021.