(3CUhd GdMOjK(B: (3Ydheg heUWdMgs - (3GdNWjH(B. (3eMeO YLGLs ((3OGQ GdacQ ddWHGYI hGdfTQs (3HjQhJs, 1989)
Keywords: (3GdMOjK GdTQjas