(3fRgI GdeLdS hefJNH GdfaGFS (B/ s - (3GdUahQi (B, (3GdTGaYi (B, (3YHOGdQMefs ([S.N] : (3OGQ GdLjd , s, 1988)
Keywords: (3GdTQjYI GdGSdGejIs; (3Gdabg GdGSdGeis