Dvylyuk, I., and I. Kovalchuk. “The Influence of Citrates Ag and Cu on the Lipid Composition of the Tissues of the Honey Bees Body and Bee Bread under the Condition of Their Added to the Feeding in the Spring Period”. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural sciences 21, no. 91 (November 6, 2019): 123-127. Accessed August 9, 2020. https://nvlvet.com.ua/index.php/agriculture/article/view/3830.