(3YGJcI HfJ RjO (B/ s - (3GHQGgje, YHO GdbGOQ GdTjNs; (3aQghO, CMeO YHO Gddgs ((3MdH (B:s (3OGQ Gdbde GdYQHj,s, 1997)
Keywords: (3GdeQCI GdeSdeIs; (3GdUMGHI h GdJGHYhfs; (3YGJcI HfJ RjOs; (3fGTFhf UZGQ (B(10-14) (3SfIs