(3GdehShYI GdeUhQI dfLhe hGadGe GdSjfeG GdYQHjI (B/s - (3YGOd MSfjfs ((3GdbGgQI (B: s (3GdeDda,s, 1999)
Keywords: (3GdSjfeGs; (3GdSjfeG GdYQHjIs; (3GdeeKdhf hGdeeKdGJ s