(3GdeKbahf h GdefGVd aj GdESdGe GdeYGUQ (B/ s - (3cjHjd, Ljds; (3QjTGQ, QjGfs; (3MLGQ, HSGes ((3HjQhJ (B:s (3OGQ GdSGbj,s, 1994)
Keywords: (3GdeKbahfs; (3GdCMhGd GdSjGSjIs; (3GdESdGes; (3GdHdOGf GdESdGejIs