Volume 71, Issue 1&2, January-February 2021

Table of Contents

Editorial

Jayanta Bhattacharya

DOI: 10.18311/ijprvd/2021/27300, Pagination: 3-3
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Industry Directions

Jayanta Bhattacharya

DOI: 10.18311/ijprvd/2021/27301, Pagination: 4-4
   Full-Text PDF Abstract Views: | Pdf Views: 269

Articles

Genghuang Yang, Wenbin Sun, Xiayi Hao, Yingmei Zhang, Li Yang, Yanqiu Che

DOI: 10.18311/ijprvd/2021/27302, Pagination: 5-10
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Shiyang Zhu, Le Wang

DOI: 10.18311/ijprvd/2021/27307, Pagination: 17-23
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Jiang Haibo, Jin Jin, Qin Zhipeng

DOI: 10.18311/ijprvd/2021/27308, Pagination: 25-32
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Notes and News

UNECE secretariat

DOI: 10.18311/ijprvd/2021/27306, Pagination: 11-16
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