(3TQM GdYbjOI GdWMGhjI GdejSQ (B/s - (3BdNejS, eMeO Hf YHO GdQMef,s 1376 (3gLQj(B-s; (3GdWMGhj, CMeO Hf eMeO Hf SdGeI,s 239-321 (3g`(B.s ((3GdQjGV (B:s (3OGQ GdhWf,s, 1993)
Keywords: (3Yde GdcdGes; (3GdEjeGfs; (3GdCfHjGAs