(3cJGH YhGQa GdeYGQa (B/ s - (3GdSgQhQOj , YHOGdbGgQ Hf YHOGddg s ((3HjQhJ (B[(3dHfGf(B] : s (3OGQ GdcJGH GdYQHj , s, 1966)
Keywords: (3GdJUha s