(3GdQhVI GdfOjI(B:s (3TQM GdOQQ GdHgjI(B/s - (3GdHNGQj,GHj GdWjH UOjb Hf MSf Hf Ydj GdMSjfj GdbfhLjs ((3HjQhJ(B[(3dHfGf(B]:s (3OGQ GdfOhI GdLOjOI,s, 1984)
(3LRA GdGhd hGdLRA GdKGfj aj cJGH hGMOs
Keywords: (3GdabI GdGSdGejs -- (3ePGgHs