(3GdGfSGf Pdc GdeLghd (B/ s - (3Tajb GSYO aQjOs; (3cGQjd, GdcjSs ((3HjQhJ (B: s (3ecJHI GdeYGQa , s, 1989)
Keywords: (3GdYdhe GdGLJeGYjIs; (3GdGfSGfjGJs; (3GdGfKQHhdhLjGs