(3JWgjQ GdLfGf hGdGQcGf Yf OQf GdTQc hGdcaQGf (B/ s - (3GMeO Hf MLQ GdTGaYi GdSdais ([S.N] : (3ecJHI RgQGf , s, 1990)
Keywords: (3Gdabg GdGSdGeis