(3GdEOGQI GdeGdjI h GdehGRfI GdYGeI ddOhdI (B:s (3OQGSI YdejI h YedjI ddGJLGgGJ GdMOjKI (B/ s - (3eMeO SYjO GMeOs ([(3ecGf GdfTQ ZjQ eMOO(B]s [(3GdfGTQ ZjQ eMOO(B]s, 1972)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs