(3GYdGe GdehbYjf Yf QH GdYGdejf (B/ s - (3GHf bje GdLhRjI(B: (3TeS GdOjf GHh YHOGddg eMeO Hf GHi HcQs; (3YUGe GdOjf GdWHGjWi (B((3JMbjb hJs ((3GdbGgQI (B: s (3OGQ GdMOjK , s, 1993)
Keywords: (3Gdabgs; (3GdTQjYI GdGSdGejIs; (3GdSjQs