(3XGgQI EUGHGJ GdYed (B: s (3JMdjd ELJeGYj eY HMK ejOGfj (B/ s - (3eGRf, Sdhi YHO GdYRjRs ((3GdbGgQI (B:s (3ecJHI fgVI GdTQb,s, 1987)
Keywords: (3Yde GdELJeGY GdWHjs; (3GdUMIs; (3GdCef GdUfGYjs; (3Yde GdELJeGY GdUfGYjs