Seputar Indonesia page 5
The government is going to use bar system in the national exam (UN) paper, i.e. barcode. This special code is used to prevent the UN contents from escaping. The Minister of Education and Culture, Moh Nuh, said that the barcode in the UN paper is only known by the government and the printing company. Besides in the UN paper, the barcode is also affixed to the answer sheet, which is integrated to the UN paper. Therefore, the UN contents will be very difficult to escape.