(3bUI aj GjQchJSjc (B:s (3eSQMjI ddcJGH GdShajGJj GdcHjQ GdjcSj BQHhRha (B/s - (3Hf gOhbI , YHO GdMejO s ((3GdLRGFQ (B:s (3GdeDSSI GdhWfjI ddcJGH ,s, 1986)
Keywords: (3GdcJGHs; (3eSQMjIs; (3GdShajGJj s; (3GdcHjQ s