HARAHAP, F. S.; OESMAN, R.; FADHILLAH, W.; RAFIKA, M. Chemical Characteristics of Inceptisol Soil With Urea and Goat Manure Fertilizer. JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA), v. 3, n. 2, p. 117-127, 4 Jul. 2021.