(3OjhGf MSGf GHf KGHJ (B/ s - (3YHO G(B. (3egfGs ([S.N] : (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY , s, 1986)
Keywords: (3GdTYQ GdYQHis; (3GdbUGFO hGdOhGhjfs; (3GdTYQ GdLGgdis