ROSARIASTUTI, RETNO, et al. “The Utilization of Modified Cassava Flour (Mocaf) Industry Waste and Peat As Carrier of Nitrogen-Fixing Bacteria and Phosphate Solubilizing Bacteria Inoculant”. Microbiology Indonesia, vol. 11, no. 4, Jan. 2018, p. 1, doi:10.5454/mi.11.4.1.