1. Antal J., Bullitt-Jonas M., DeChristopher T., Friedman R. S. M., Miller L. W., Murad M. M. and McKanan D. (2016). Spiritual and Sustainable: Religion Responds to Climate Change. CrossCurrents, 66(1), 70-91.
2. Abdulrashid L. (2013). Sustainability of indigenous knowledge in seasonal rainfall. Electronic version available online at: www.ijac.org.uk/images/frontImages/gallery/Vol._2_No._4_April_2013/4.pdf
3. Abubakar S. M. (1996). Rehabilitation of degraded lands by means of fallowing in a semi arid area of northern Nigeria. Land Degradation and Development, 7(2), 133-144.
4. Akuja T., Avni Y., zaady E. and Gutterman Y. (2001). Soil erosion effects as indicators of desertification processes in the Northern Negev Desert. In Soil Erosion (p. 595). American Society of Agricultural and Biological Engineers.
5. Alassaf A., Majdalwai M. and Nawash O. (2011). Factors affecting farmers’ decision to continue farm activity in marginal areas of Jordan. African Journal of Agricultural Research, 6(12), 2755-2760.