Gea, I., E. W. Saragih, M. N. Lekitoo, and M. Djunaedi. “EFFECT OF FERTILIZER TYPE ON THE PRODUCTIVITY OF ELEPHANT GRASS (PENNISETUM PURPUREUM): A COMPARATIVE STUDY OF GOAT MANURE COMPOST, UREA, AND NPK ON INCEPTISOL SOIL”. Agrisaintifika: Jurnal Ilmu-Ilmu Pertanian, vol. 9, no. 2, June 2025, pp. 430-8, doi:10.32585/ags.v9i2.6691.