Kovalchuk, I. I., I. B. Kykish, R. S. Fedoruk, and M. M. Tsap. “MICROELEMENTS OF BEE TISSUES FOR FEEDING WITH NANOTECHNOLOGICAL COBALT AND GERMANIUM CITRATES”. Bulletin of Sumy National Agrarian University. The series: Veterinary Medicine, no. 3 (54) (November 29, 2021): 31-38. Accessed May 2, 2024. https://www.snaubulletin.com.ua/index.php/vm/article/view/501.