(3OQGSGJ aj JGQjN GdYdGbGJ GdESdGejI eY ChQHG GdTQbjI (B:s (3GdeSdehf hGdNRQ (B(22-354 (3g` (B/ 642-965 (3e(B) /s - (3GdQGLMj, eMeO Hf SdjeGf Hf UGdMs 1380 (3gLQj(B-s ((3GdQjGV (B:s (3eMeO Hf SdjeGf Hf UGdM GdQGLMj ,s, 1998)
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Keywords: (3GdJGQjN GdESdGejs