(3GdYfGjI HGdWad NdGd GdGTgQ GdGhdi (B/ s - (3YdhGf , GHJSGe YHGS s ((3HZOGO (B: s (3OGQ GdTDhf GdKbGajI GdYGeI , s, 1986)
Keywords: (3GdGWaGd GdQVY s -- (3QYGjI hYdGL s