(3GdedcjI HGdNdGaI aj GdTQjYI haj GdbGfhf GdQheGfj (B/s - (3eMeO GHh RgQIs; (3LGeYI GdbGgQIs (3cdjI GdMbhbs ((3GdbGgQI(B:s (3cdjI GdMbhb (B- (3LGeYI GdbGgQI ,s, 1951)
1
Keywords: (3GdJhQjK s; (3GdedcjIs; (3GdbGfhf GdQheGfjs; (3GdNdGaI s; (3GdfSHs