V. V. P, A. A. U. Effective Techniques for Fathering and Fattening of Old-Grown Queens in Farm Conditions. Mid. Eur. Scin. Bul [Internet]. 2023Mar.10 [cited 2024May5];34:11-5. Available from: https://cejsr.academicjournal.io/index.php/journal/article/view/1710