Study on the theory and practice of Austro-Marxism Study on the theory and practice of sepaktakraw Study on the theory and practice of void marriage system Study on the theory and practice of national central city Study on the theory and practice of tort cases in question Study on the theory and practice of journalism in university Research on the theory and practice of low carbon tourism Study on the law and practice of francise Study on the theory and practice of the standardization strategy Research on the theory and practice of Chinese carbon markets