G2TT

浏览/检索结果: 共2条,第1-2条 帮助

已选(0)清除 条数/页:   排序方式:
Effective Sampling from Social Media Sites and Search Engines for Web Surveys: Demographic and Data Quality Differences in Surveys of Google and Facebook Users 智库出版物
2017
作者:  Michael J. Stern;  Ipek Bilgen;  Colleen McClain;  and Brian Hunscher
收藏  |  浏览/下载:1/0  |  提交时间:2020/06/28
Securing water for ecosystems and human well-being: the importance of environmental flows 智库出版物
作者:  Forslund, Anna;  Birgitta Malm Renöfält;  Stefano Barchiesi;  Katharine Cross;  Sarah Davidson;  Tracy Farrell;  Louise Korsgaard;  Karin Krchnak;  Michael McClain;  Karen Meijer;  Mark Smith
收藏  |  浏览/下载:0/0  |  提交时间:2020/11/09