(3GZfjI GdeSjQ (B/ s - (3Lhf hjJfLs; (3eMeO SjO eMeO (B( (3eJQLe (B)s ([S.N] : (3OGQ GdKbGaI GdYQHjI , s, 1989)
Keywords: (3GdbUU GdGfLdjRjIs; (3GdbUU GdGfLdjRjI GdeJQLeIs; (3GdGOH GdGfLdjRis