Study on the theory and practice of Austro-Marxism Theory and practice of Austro-Marxism Study on the theory and practice of void marriage system Study on the frontier theory and practice of equity assignment Study on the theory and practice of green development in Cuba Study on the Lenins theory and practice of socialism construction Study on the structure and practices of retirement system Introduction to the theory of ideology of western Marxism Study on the Chinese practice of the Marxist view on women Study on the theory and practice of regional ocean public governance