there are more than 70 supermarkets and 50 trading centres in ha noi , he said .
this number will reach 1,000 by 2020 . There are about 100 people working for each supermaket on average . Thus , to train 70 per cent of staff in the city means to train about 5,000 people
Ngoc Thi , who works for Citimart's human resource office , said training made hiring workers difficult