(3ai adSaI GHf QTjO(B: (3GdhLhI hGdNdhO W(B3 / s - (3eMeO HjUGQs ([S.N] : (3OGQ GdcJGH GddHfGfi , s, 1973)
Keywords: (3GdadSaI GdGSdGejIs