Evaluation of Propolis Productivity of Local Honeybee Apis Mellifera syriaca by Using Modern Method and Studying The Factors Affecting Them in the Southern Region of Syria. مجلة للعلوم الزراعية [Internet]. 2021 Oct. 3 [cited 2026 Jun. 18];37(3). Available from: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/1757