(3GdhSjW aj TQM GdbGfhf GdJLGQj (B: s (3OQGSI ebGQfI (B/ s - (3GdYWjQ, YHO GdbGOQs ((3YeGf (B:s (3ecJHI OGQ GdKbGaI ddfTQ,s, 1998)
Keywords: (3GdbGfhf GdJLGQjs; (3GdCQOfs