(3HOGjI GdeLJgO hfgGjI GdebJUO (B/ s - (3GHf QTO (B: (3GHhGdhdjO eMeO Hf GMeO Hf eMeO GdGfOdSi GdbQWHis ([S.N] : (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY , s, 1988)
Keywords: (3GdGLJgGOs; (3GdTQjYI GdGSdGejIs; (3Gdabg GdGSdGeis