(3GdeNOQGJ(B: (3MbGFb GLJeGYjI hfaSjI hWHjI (B/ s - (3dhQi , HjJQ s ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1991)
Keywords: (3GdeNOQGJ hGdTHGHs; (3GdNOeI GdGLJeGYjIs; (3GdeNOQGJs; (3GdGLJeGYs; (3GdeNOQGJ hGdLQjeIs