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When was China Science and Technology Information 202 1 Volume 32 No.6 published in March (1)?
China Science and Technology Information 202 1 Volume 32 No.6, published on March 28th, 2022.

The 202 1 edition of the Catalogue of China Science and Technology Core Journals has been published. Since 1987, China Institute of Science and Technology Information has been undertaking the statistical analysis of papers published by Chinese scientific and technological personnel at home and abroad.