(3GdWYf HGdfbV ai GdehGO GdLfGFjI (B/ s - (3MSf YdGes ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1990)
Keywords: (3GdbGfhf GdLfGFis; (3GdbGfhfs; (3bGfhf GdGLQGAGJ GdLfGFjIs; (3bGfhf GdGLQGAGJ GdeOfjIs