Open Science Research Excellence
S. Ait Ali Yahia,  Valorization and Conservation of Rock Paintings and Engravings of Kabylia Region, Algeria.   journal   = {International Journal of Social, Behavioral, Educational, Economic, Business and Industrial Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2015, vol. 107(11). 3889 - 3892[viewed 25 March 2019]. Available from: http://waset.org/publications/10002938.