(3jGSjf GdgGTej hOhQg aj GdSjGSI GdYQGbjI Hjf YGej (B1922-1936:s - (3GdbjSj ,SGej YHO GdMGaXs ((3HZOGO(B:s (3eWHYI GdYGfj ,s, 1975)
Keywords: (3GdYQGb(B-(3JGQjN GdYgO Gdedcj s