(3QSGdI Gdi cd eQjV heHJdi (B/ s - (3SYjO GdfhQSis; (3GMSGf bGSe GdUGdMis ([S.N] : (3ecJH GdfhQ , s, 1992)
Keywords: (3GdGNdGb GdGSdGejIs; (3GdGSdGe hGdYdes; (3GdGSdGe hGdWHs