1. Abowaly, M. E., Belal, A. A. A., Abd Elkhalek, E. E., Elsayed, S., Abou Samra, R. M., Alshammari, A. S., Moghanm, F. S., Shaltout, K. H., Alamri, S. A. M., & Eid, E. M. (2021). Assessment of soil pollution levels in North Nile Delta, by integrating contamination indices, GIS, and multivariate modeling. Sustainability, 13(14), 8027.
2. Alloway, B. J. (2012). Heavy metals in soils: Trace metals and metalloids in soils and their bioavailability (Vol. 22). Springer Science & Business Media.
3. Anticoi, H., Alfonso, P., Bascompta, M., & Palacios, S. (2016). Mineral processing analysis in artisanal gold mining, Peru. International Journal of Mining, Materials, 2(1), 20–23.
4. Atlas, A. M. (2016). Australian Atlas of mineral resources, mines and processing centres.
5. Averill, S. (2011). Viable indicator minerals in surficial sediments for two major base metal deposit types: Ni-Cu-PGE and porphyry Cu. Geochem.: Explor Environ. Anal., 11, 279–291.