(3GYeGd ehdjjQ GdcGedI (B/ s - (3fXjQ YHhOs; (3GfWhGf QRb Gddg eTGWis ((3HjQhJ (B: s (3OGQ fXjQ YHhO , s, 1992)
Keywords: (3GdGOH GdaQfSis; (3eSQMjGJ aQfSjIs