(3GdebGheI GdSQjI ai bfGI GdShjS (B/ s - (3ceGd GdTQjas ([S.N] : (3OGQ GdhaGA ddWHGYI hGdfTQ hGdJhRjY , s, 1987)
Keywords: (3GdebGheI GdTYHjIs; (3bfGI GdShjSs; (3JGQjN GdKhQGJs; (3GdGNhGf GdeSdehfs; (3eUQ (B- (3JGQjN (B- (3GdYUQ GdMOjK (B(1805 - 1956 )s