704| 4
|
google学术和google有效链接一个,建议再做个全文数据库链接 |
| ||
发表于 2015-4-14 20:53:59
|
显示全部楼层
| ||
发表于 2015-4-15 10:09:53
|
显示全部楼层
| ||
扫一扫以下二维码,关注NoteExpress官方微信,获取更多内容及服务,手机也能上论坛
|
||
发表于 2017-1-17 07:52:41
|
显示全部楼层
| ||
GMT+8, 2024-11-30 08:47 , Processed in 0.106628 second(s), 21 queries .
Powered by Discuz! X3.4
Copyright © 2001-2021, Tencent Cloud.