(3GdJMcje aj efGRYGJ GdeTQhY GdYGe (B:s (3OQGSI ebGQfI(B/s - (3TeS QZfj Ydjs ((3GdbGgQI (B:s (3OGQ GdcJH,s, 1974)
. 744-721 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdEOGQjs; (3GdJMcje GdEOGQjs