(3CUhd Yde GdELQGe hGdYbGH(B/s - (3GdOcJhQ eCehf eMeO SdGeI(B.s ((3GdbGgQI(B:s (3OGQ GdacQ GdYQHj,s, 1979)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3CZQGV GdYbhHIs; (3GdELQGes