1. Aldhafeeri, Z. (2018). Reactivity of cemented paste backfill. A thesis submitted in partial fulfilment of the requirements for the Doctorate in Philosophy degree in Environmental Engineering, Department of Civil and Environmental Engineering, Ottawa-Carleton Institute for Environmental Engineering, Faculty of Engineering, University of Ottawa, 201p.
2. Al Zoubi, H., Rieger, A., Steinberger, P., Pelz, W., Haseneder, R., & Härtel, G. (2010). Nanofiltration of acid mine drainage. Desalination and Water Treatment, 1–14.
3. Almeida, J., Ribeiro, A. B., Santos Silva, A., & Faria, P. (2020). Overview of mining residues incorporation in construction materials and barriers for full-scale application. Journal of Building Engineering, 29, 1–29. https://doi.org/10.1016/j.jobe.2020.101215
4. Andrews, C., Bocoum, B., & Tshimena, D. (2008). Democratic Republic of the Congo, growth with governance in the mining sector, The World Bank Report No. 43402-ZR, May 2008, Oil/Gas, Mining and Chemicals Department, AFCC2, Africa Region, pp. 1–140.
5. Anju, M. (2018). Vertical distribution and potential mobility of heavy metals in new and old tailings of a lead/zinc sulfide mine, Environ. Eng. and Manage Journal 17(7), 1635–1644. http://www.eemj.icpm.tuiasi.ro/; http://www.eemj.eu.