Guseynov, G.S., et al. “Extraction of Gold from Sulfide and Sulfide-Polymetallic Ores from the Lok-Garabagh Structural-Formational Zone of the Lesser Caucasus”. Herald of Azerbaijan Engineering Academy, vol. 15, no. 4, Dec. 2023, pp. 108-1, doi:10.52171/2076-0515_2023_15_04_108_118.