1. Abu-Rukah, Y., & Al-Kofahi, O. (2001). The assessment of the effect of landfill leachate on ground-water quality-a case study. El-Akader landfill site-north Jordan. Journal of Arid Environments, 49(3), 615-630. https://doi.org/10.1006/JARE.2001.0796;
2. Al Karadsheh, E., Akroush, S., & Safa Mazahreh, E. (2012). Land Degradation in Jordan - Review of knowledge resources OASIS Country Report 1. Aleppo. Retrieved from http://pdf.usaid.gov/pdf_docs/PBAAF671.pdf;
3. Aljaradin, M. (2014). Solid Waste Management in Jordan. International Journal of Academic Research in Business and Social Sciences, 4(11). https://doi.org/10.6007/IJARBSS/v4-i11/1289;
4. Basiago, A. D. (1999). Economic, social, and environmental sustainability in development theory and urban planning practice. The Environmentalist. Retrieved from: https:// www.amherst.edu/system/files/media/0972/fulltext.pdf;
5. ESCWA. (2009). Public Environmental Expenditures Case Study: Jordan. Retrieved from http://css.escwa.org.lb/sd/1097/Env_Exp_Jordan_Ar.pdf;