UmadiS. S., IlyasS., and WidyastutiR. “Characteristic and Viability of Nitrogen Fixation Bacteria and Phosphate Solubilizing Bacteria in Carrier Media”. Jurnal Ilmu Tanah Dan Lingkungan, Vol. 25, no. 2, Dec. 2023, pp. 40-45, doi:10.29244/jitl.25.2.40-45.