(3hLhH JWHjb GdTQjYI GdESdGejI aj cd YUQ (B/s - (3GdSOdGf, UGdM Hf ZGfe s 1359 (3gLQj(B-s ((3GdQjGV (B- (3GdSYhOjI (B:s (3OGQ HdfSjI ddfTQ hGdJhRjY,s, 1997)
Keywords: (3GdESdGe hGdEUdGM GdSjGSjs; (3fXe GdMce aj GdESdGes