فهرس المقالات Hadi Ebrahimi Khah المقاله 1 - Analytical study of nonlinear oscillatory systems using the Hamiltonian approach technique 10.1007/s40094-014-0133-9 Martin Hermann Masoud Saravi Hadi Ebrahimi Khah Journal of Theoretical and Applied Physics , العدد 1 , السنة 0 , تابستان 2014
