(3GdEeGe GdHNGQj (B: s (3abjg GdeMOKjf h eMOK GdabgGA(B:(3SjQJg;UMjMg(B:(3abg (B/ s - (3GdMeOGfj, fRGQ Hf YHO GdcQje Hf SdWGfs ((3HZOGO (B:s (3OGQ GdCfHGQ,s, 1989)
Keywords: (3GdESdGes; (3GdMOjK GdTQjas