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Book Description paperback. Condition: New. Paperback. Pub Date: 2022-05-01 Pages: 252 Language: Chinese Publisher: Economic Management Publishing House Research on the Contribution Rate of Scientific and Technological Progress in the Beijing-Tianjin-Hebei Region is dedicated to studying the relationship between scientific and technological progress in the Beijing-Tianjin-Hebei region from the perspective of the contribution rate of scientific and technological progress The relationship between economic growth. analyzing the difference. Seller Inventory # NY021720