(3ZPGA GdCdHGH dTQM efXheI GdCOGH (B/ s - (3GdSaGQjfj, eMeO GdMfHdjs ((3ecI GdecQeI (B:s (3eWHYI GdMcheI,s, 1973)
Keywords: (3GdESdGes; (3Gdabg GdESdGejs; (3Gdabg GdMfHdjs