(3Yed Gdjhe hGddjdI (B:s (3Sdhc GdfHj Udi Gddg Ydjg hSde eY QHg (B/s - (3GHf GdSfj, CMeO Hf eMeO Hf ESMGb,s 284(3?(B-364 (3gLQjG(B.s; (3YWG, YHO GdbGOQ CMeOs ((3HjQhJ (B:s (3OGQ GdeYQaI,s, 1979)
Keywords: (3GdCOYjI hGdChQGOs; (3GdCNdGb GdESdGejIs; (3GdBOGH GdESdGejIs