20 years' development of China's western regions 并列题名：20 years' development of China's western regions 20 Years'development of the western region 并列题名：20 Years'development of the western region Human resources and development of the western region 并列题名：Human resources and development of the western region Annual report 2018 open development of Chinese border regions 20 years of reforms & developments of China's cotton industry Sustainable development of agriculture in China's plateau regions 并列题名：Annual report 2018 open development of Chinese border regions