Items where Author is "Valcheva, Nedyalka"
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Valcheva, Nedyalka and Ignatov, Ignat and Dinkov, Georgi (2020) Microbiological and Physicochemical Research of Thermal Spring and Mountain Spring Waters in the District of Sliven, Bulgaria. Journal of Advances in Microbiology, 20 (2). pp. 9-17. ISSN 2456-7116