(3eONd Gdi fbV GdacQ GdWGFai(B: (3GdbVjI GdadSWjfjI ai GjOjhdhLjI GdHQLhGRjI GddHfGfjI (B/ s - (3egOi YGeds ([S.N] : (3OGQ GdaGQGHi , s, 1989)
Keywords: (3GdGMhGd GdSjGSjIs; (3GdbVjI GdadSWjfjIs; (3dHfGfs; (3GdHQLhGRjIs