(3JbfjGJ EOGQjI MOjKI (B: s (3GdfgLjI h feGPL efJbGI (B/ s - (3OQg, YHO GdHGQjs ((3HjQhJ (B:s (3OGQ GdLdjd,s, 1985)
Keywords: (3GdEOGQI GdYGeIs; (3GdOQGSGJs; (3GdJOQjSs