(3JfHjg GdZGadjf h GdZGadGJ aj XdGd GdbQBf (B/ s - (3GdWjHj, YcGTI YHO GdefGfs ((3HjQhJ (B:s (3OGQ ecJHI GdJQHjI,s, 1997)
Keywords: (3GdhYX h GdEQTGOs