Hassaine, N., and A. Fellah. “Identification of Cracks in Functionally Graded Material Beams Using the H-Version of Finite Element Method”. Algerian Journal of Renewable Energy and Sustainable Development, Vol. 5, no. 01, June 2023, pp. 40-47, https://ajresd.univ-adrar.edu.dz/index.php?journal=AJRESD&page=article&op=view&path[]=191.