(3OhQ GdCe aj JQHjI GdWad GdeSde (B/s - (3UGHQ, NjQjI MSjf Wgs ((3LOI, GdSYhOjI (B:s (3OGQ GdeLJeY ddfTQ hGdJhRjY,s, 1988)
(3HHdjhLQGajI (B: (3UaMI (B136-141.s
Keywords: (3JQHjI GdCWaGds; (3GdJQHjI GdESdGejIs; (3GdCNdGb GdESdGejIs