Khayrulla Solijonov, Farrukh Umarov, Nozima Umarova, Mavluda Ne’matova and Zuvayd Izzatullaev 2023. Analyzes on Viability and Efficiency of Medicinal Leeches, Fergana Valley. Texas Journal of Agriculture and Biological Sciences. 21, (Oct. 2023), 19–24.