Ingrid Ovie Yosephine, Nicolas Ferreira, and Dina Arfianti Saragih. 2019. “PENGARUH APLIKASI PUPUK ROCK PHOSPHATE DAN MIKROBA PELARUT FOSFAT TERHADAP PERTUMBUHAN DAN KADAR HARA P BIBIT KELAPA SAWIT (Elaeis Guineensis Jacq.)”. Jurnal Agro Estate 3 (2):90-96. https://doi.org/10.47199/jae.v3i2.65.