Hazra, Fahrizal, and Enny Widyati. “Isolation, Carriers Selection and Inoculum Formulation of Thiobacillus Spp.”. Jurnal Ilmu Tanah dan Lingkungan 9, no. 2 (October 1, 2007): 71-76. Accessed May 3, 2024. https://jurnal.ipb.ac.id/index.php/jtanah/article/view/2391.