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Author

Deru Zheng

4 books found

Cover of Gong ye tong ji xue

Gong ye tong ji xue

Deru Zheng · First published 1989

Placeholder cover for 工业统计学

工业统计学

Deru Zheng, Jinghe Tian · First published 1989

Placeholder cover for Hui gui fen xi he xiang guan fen xi

Hui gui fen xi he xiang guan fen xi

Deru Zheng · First published 1985

Placeholder cover for Chou yang diao cha li lun ji chu

Chou yang diao cha li lun ji chu

Jia Xie, Deru Zheng, Shuyan Huang · First published 1984