(3TQhW bHhd GdWYf HGdfbV ai GdehGO GdeOfjI hGdJLGQjI hehGO GdGMhGd GdTNUjI (B/ s - (3gTGe GdWhjds ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1987)
Keywords: (3GdbGfhfs; (3GdbGfhf GdeOfis; (3bGfhf GdGLQGAGJ GdeOfjIs; (3bGfhf GdGMhGd GdTNUjIs