(3HjhJ dG JONdgG GdedGFcI (B/s - (3GdWjHj, YcGTI YHO GdefGfs ((3YeGf (B- (3GdCQOf (B:s (3OGQ GdESQGA ddfTQ hGdJhRjY ,s, 1994)
Keywords: (3GdedGFcIs; (3GdEjeGfs