Desoky, Abd El-Aleem Saad, N. S. Omran, M.O. M. Omar, M. H. Hussein, and M. M. Abd-Allah. “Heavy Metals Concentrations in Bee Products Collected from Contaminated and Non-Contaminated Areas from Upper Egypt Governorates”. JOURNAL OF ADVANCES IN AGRICULTURE 10 (February 28, 2019): 1657–1666. Accessed March 29, 2024. https://rajpub.com/index.php/jaa/article/view/8149.