(3cGf HcGDc ai GdMde eQjQG(B: (3eLehYI bUU QhSjI ShajJjI eJQLeI ef GdQhSjI ddYQHjI (B/ s - (3GMeO GdNejSs ([S.N] : (3OGQ GdeSJbHd GdYQHi , s, 1986)
Keywords: (3GdGOH GdQhSi GdeJQLes