(3TQM eNJUQ GdQhVI (B/ s - (3GdUQUQj, fLe GdOjf CHh GdQHjY SdjeGfs; (3GdJQcj, YHO Gddg Hf YHO GdeMSfs ((3HjQhJ (B:s (3eDSSI GdQSGdI,s, 1987)
Keywords: (3GdESdGes; (3Gdabg GdESdGejs; (3Gdabg GdMfHdjs