(3GdEJLGgGJ GdMOjKI aj bGfhf GdYah GdYGe (B/ s - (3QHGM, ZSGfs ((3HjQhJ (B:s (3OGQ GdNdhO,s, 1992)
Keywords: (3GdbGfhf GdLfGFjs; (3GdYah GdYGes; (3GdSLfGA GdSjGSjhfs; (3GdbGfhf GdOSJhQjs; (3ELQGAGJ GdeMGces