×
Log in
Upload File
Most Popular
Study
Business
Design
Technology
Travel
Explore all categories
Report copyright -
科研小白之必备技能: 文献检索与利用入门...主要内容: 1 文献检索的基本作用 2 文献检索基础知识 3 图书馆数字资源概览 34 典型数据库示例
Please pass captcha verification before submit form
Select
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Send