1. 1. Al-Dayel, M. Geothermal resources in Saudi Arabia. Geothermics, 1988; 17(2-3): 465 - 476.
2. 2. Rehman, S., Shash, A. Geothermal resources of Saudi Arabia-country update report. Proceedings World Geothermal Congress, 2005.
3. Isolation and characterization of three thermophilic bacterial strains (lipase, cellulose and amylase producers) from hot springs in Saudi Arabia;Khalil;African Journal of Biotechnolog,2011
4. 4. Panda, M.K., Sahu, M.K., Tayung, K. Isolation and characterization of a thermophilic Bacillus sp. with protease activity isolated from hot spring of Tarabalo, Odisha, India. Iran J Microbiol, 2013; 5(2): 159-165.
5. J;Adiguzel;Microbiology Method,2009