(3GdbhGOhf hGdSjGSI (B: s (3JGQjN GdHZGA ai fUa bQf (B/ s - (3YHOGddg ceGds ((3GdbGgQI (B: s (3OGQ GdNjGd , s, 1998)
Keywords: (3GdLQGFe GdLfSjIs; (3GdHZGAs; (3GdaSGO GdGLJeGYis; (3ecGaMI GdHZGAs; (3LQGFe VO GdGfSGfjIs