(3eNJUQ GdOQGSGJ GdCefjI ddeQcR GdYQHj ddOQGSGJ GdCefjI hGdJOQjH(B.s (3GdLRA GdKGfj (B/s - (3YeGO GdOjf SdWGf(B.s ((3GdQjGV(B:s (3GdeQcR GdYQHj ddOQGSGJ GdCefjI hGdJOQjH,s, 1986)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdVHW GdbVGFjs; (3GdOQGSGJ GdGefjIs