(3GdQeR hGdSdWI (B/ s - (3HjjQ HhQOjhs; (3YHO GdSdGe HfYHO GdYGdis ((3GdOGQ GdHjVGA (B: s (3OGQ JhHbGd ddfTQ,s, 1986)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI aj MhGTj GdUaMGJ(B.s
Keywords: (3GdfXe GdSjGSjIs