Atanasov, Atanas Z, Ivaylo S Hristakov, Kaloyan E Stoyanov, and Zhelyazkov Presiyan А. 2023. “Monitoring Honeybee (Apis Mellifera) Flight Activity and Within-Day Hive Weight Changes During Rapeseed (Brassica Napus) Flowering ”. Technium: Romanian Journal of Applied Sciences and Technology 14 (October). Constanta, Romania:90-93. https://doi.org/10.47577/technium.v14i.9685.