Research on legal regulations of urban planning in Latin American countries 并列题名：Research on legal regulations of urban planning in Latin American countries Research on legal regulation of crowdfunding securities Research on legal regulations regarding disclosure of information of listed companies Research on industrialization in European and American countries 并列题名：Research on legal regulations regarding disclosure of information of listed companies research on the legal regulation of abusing dominant market position in internet Research on legal regulation of the tax planning Research on the legal regulations of Qingtuo in ancient China