Effect of Bee Population & Bee Venom Milking during Spring and Early Summer in s some of Honey Bees (Apis Mellifera L.) Colonies Biological Characters. NTU-JAVS [Internet]. 2023 May 18 [cited 2024 Jul. 3];3(1). Available from: https://journals.ntu.edu.iq/index.php/NTU-JAVS/article/view/320