(3OehY GdMcGe (B/ s - (3eMeO HQcIs ((3GdbGgQI (B: s (3eQcR GdQGjI ddfTQ hGdGYdGe , s, 1997)
Keywords: (3GdMcGe GdYQH(B, (3GdSdWIs; (3LeGd YHOGdfGUQs; (3GdYGde GdYQHi (B- (3GdGMhGd GdSjGSjIs