A. Issaadi, A. A. O., and A. A. K. Imessad. “The Role of Geothermal Waters in Sustainable Development Application of Main North Center Algerian Hot Springs (Righa, Biban, Ksena)”. European Journal of Sustainable Development, vol. 8, no. 4, Oct. 2019, p. 30, doi:10.14207/ejsd.2019.v8n4p30.