(3GdeMGQjH GdYQGbjI efP GdYUQ GdESdGej Gdi fgGjI GdYUQ GdYHGSj (B/ s - (3eMeO , fLGI jhfS UGdM s ((3HZOGO (B: s (3eOjQjI GdGKGQ GdYGeI , s, 1976)
Keywords: (3GdYQGb (B- (3JGQjN s