(3GdJhbja Ydi egeGJ GdJYGQja (B/ s - (3GdefGhi, Rjf GdOjf eMeO YHO GdQDha Hf JGL GdYGQajf Ydi GdNOGhi GdbGgQi GdTGaYis; (3YHOGdMejO UGdM MeOGfs ((3GdbGgQI (B: s (3YGde GdcJH GdMOjK , s, 1990)
Keywords: (3GdGSdGes; (3GdGdaGXs; (3GdTQjYI GdGSdGejIs; (3Gdabg GdGSdGeis