(3LGeY GdYdhe hGdMceg ai TQM NeSjf MOjKG ef LhGeY Gdcde (B/ s - (3Rjf GdOjf GHi GdaQL GdMfHdis ([S.N] : (3OGQ GdefGQ , s, 1992)
Keywords: (3GdMOjKs; (3JaGSjQs