(3faMGJ Yf GdSjO LeGd GdOjf GdGaZGfi efbP GdTQb (B/ s - (3eMeO GeGf UGais ([S.N] : (3GdaGQhb GdMOjKI ddWHGYI hGdfTQ , s, 1991)
Keywords: (3JGQjNs; (3GaZGfSJGfs; (3LeGd GdOjf GdGaZGfis; (3GdMce GdhWfis