并列题名：Research on the problems of developing county's economic in undeveloped and remote area Research on the problems of developing county's economic in undeveloped and remote area Research on the problems of developing county's economic in undeveloped and remote area. lao shao bian qiong di qu xian yu jing ji fa zhan wen ti yan jiu/: research on the problems of developing county's economic in undeveloped and remote area, Lao shao bian qiong di qu xian yu jing ji fa zhan wen ti yan jiu/: Research on the problems of developing county's economic in undeveloped and remote area, 并列题名：Research on the development impetus of open economy in less-developed area of China 并列题名：Research on the problems of rural school development 并列题名：Research on the sustainable development of the ideal urban port area 并列题名：Study on the problems of Dongguan economic development in transition period