(3GSGSjGJ GdHMK GdJQHhj(B.s - (3YOS, YHO GdQMef(B.s ((3YeGf(B[(3GdGQOf(B]:s (3OGQ GdaQbGf ddfTQ,s, 1992)
Keywords: (3GdHMK GdJQHhjs