大城市都有內部書店,裏麵還分幾檔,最高的要省級證明局級以上才能進.1984讀研時的首課是姚樹人院長講文獻索引.

來源: 壁上觀於 2023-02-26 16:00:02 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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