Velichkova, Katya
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5

Content of Pb and Zn in Sediments and Hydrobionts as Ecolog..:

Valkova, Elica ; Atanasov, Vasil ; Tzanova, Milena...
International Journal of Environmental Research and Public Health.  19 (2022)  15 - p. 9600 , 2022
 
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11

Effect of Acorus calamus L. extract on growth performance a..:

Velichkova, Katya ; Sirakov, Ivaylo ; Stoyanova, Stefka...
info:eu-repo/semantics/altIdentifier/doi//10.5513/JCEA01/20.2.2544.  , 2019
 
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Cultivation of lettuce (Lactuca sativa L.) and rainbow trou..:

Velichkova, Katya ; Sirakov, Ivaylo ; Stoyanova, Stefka.
info:eu-repo/semantics/altIdentifier/doi//10.5513/JCEA01/20.3.2223.  , 2019
 
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13

Invasive species Lemna L. (Lemnaceae) in the flora of Bulga..:

Kirjakov, Ivan ; Velichkova, Katya
https://hrcak.srce.hr/ojs/index.php/periodicum_biologorum/article/view/4165/2478.  , 2016
 
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