PDF资料

Duxiu/Chaoxing/National Library Consulting Alliance/Baidu Wenku's entire network data consultation and search now provides scanned PDF e-books of books published in mainland China before January 2019. http://www.ucdrs.superlib.net/ This website has trial readings, and most of them can provide complete documents. Please provide relevant links. If the above websites cannot be found, you can also provide links to regular online bookstores such as www.jd.com and www.dangdang.com to facilitate the confirmation of book information. Please provide links to relevant book information, or copyable ISBN numbers @acoolyou