Mokhamer, E.-H. M., D. L. M.ELsamad, D. W. O. Elsayed, D. M. L. Shonouda, and A. Ali. “The Ground Beetle Blaps Polycresta ( Coleoptera:Tenebrionidae) As Bioindicator of Heavy Metals Soil Pollution”. JOURNAL OF ADVANCES IN BIOLOGY, vol. 7, no. 1, Mar. 2015, pp. 1153-60, doi:10.24297/jab.v7i1.4862.