13. オープンアクセスの広がり
Piwowar, Heather, et al. (2017). Data from: The State of OA: A large-scale analysis of the prevalence and impact of Open
Access articles [Data set]. Zenodo. http://doi.org/10.5281/zenodo.1041791
25. 2. 政策的な動向
Ref: Open access policies by country. Map based on Longitude
(generated) and Latitude (generated). URL link for country in
ROARMAP. Details are shown for Geographical Region. Data taken
from ROARMAP http://roarmap.eprints.org/. May 31st 2016.