(3eY GdbQBf GdcQje (B:s (3QDjI eSJfjQI hYUQjI dMbGFb GdJGQjN h Yde GdZjH h GdCeheI h GddZI GdYQHjI h GdJOHQ hGdeLJeY (B/s - (3YHO GdaJGM YSGcQs ((3eUQ (B:s (3GdebGhdhf GdYQH (B,s, 1977)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3JaSjQ ehVhYjs; (3OQGSGJ acQjI s