1. Abdi, H. (2010). Coefficient of variation. Encyclopaedia of research design. Thousand Oaks, CA, California: Sage.
2. Adhikari, B., Dahal, K. R., & Khanal, S. N. (2014). A review of factors affecting the composition of municipal solid waste landfill leachate. International Journal of Engineering Science and Innovative Technology,
3(5), 273–281.
3. Alberta environment and parks. (2017). Landfills.
http://aep.alberta.ca/waste/waste-facilities/landfills.aspx
. Accessed 11 Apr 2018.
4. Al-Yaqout, A., & Townsend, F. (2001). Strategy for landfill design in arid regions. Practice Periodical of Hazardous, Toxic and Radioactive Waste Management,
5(1), 2–13.
5. Armstrong, J. S. (1980). Unintelligible management research and academic prestige. Interfaces,
10(2), 80–86.