the development trend of world Marxism in the 21st century 多重视角中的马克思：21世纪世界马克思主义发展趋向：the development trend of world Marxism in the 21st century．上卷 多重视角中的马克思：21世纪世界马克思主义发展趋向：the development trend of world Marxism in the 21st century．下卷 governance and world order in the 21st century The history of Marxism in the 20th century Culture development of Taiwan toward the 21st century Feeding the world in the 21st century The new trend of business management in the 21st century feeding the world in the 21st century New theory of war in the 21st century