Yankov, Y., D. Georgiev, P. Iliev, A. Tonev, S. Arangelov, K. Valchev, D. Panayotov, and S. Peeva. “Infestation With Protostrongylids of the Balkan Chamois (Rupicapra Rupicapra Balcanica, Bolkey 1925) in Rila National Park, Bulgaria: Preliminary Data”. Bulgarian Journal of Agricultural Science 28, no. 3 (June 24, 2022): 521–525. Accessed October 18, 2026. https://agriacad.eu/ojs/index.php/bjas/article/view/1619.