Utilization of the Bacteria Bacillus pumilus and Citrobacter youngae as Flotation Bioreagents in the Microflotation of Chalcopyrite, Pyrite, and Silica. Microbiol indones [Internet]. 2016 Jun. 16 [cited 2025 Jun. 29];10(1):3. Available from: https://jurnal.permi.id/index.php/mionline/article/view/375