1. Tymchuk K.Y., Baglei O.V., Zhuk A.V., Fylypchuk T.V., Fedoriak M.M. Epizootic Situation on Honey Bees (Apis Mellifera) Varoosis in Selected Areas Within Chernivtsi Region (Ukraine) // Visnyk of V. N. Karazin Kharkiv National University series «Еcоlogy». 2021. № 24. C. 133-140.