Ivanov, Krasimir, Tonyo Tonev, Nguyen Nguyen, Alexander Peltekov, and Anyo Mitkov. 2019. Emirates Journal of Food and Agriculture 31 (8), 597-604. Accessed September 21, 2021. https://doi.org/https://doi.org/10.9755/ejfa.2019.v31.i8.2003.