www.amazon.co.jp
Джум
Amazon.com
逼痒滴
Amazon UK
Джум
Google Patents
ScienceDirect
Sage Journals - Sage Publications
Sage Journals - Sage Publications
Sage Journals - Sage Publications
Google Patents
BlackTech
Sage Journals - Sage Publications
BlackTech
Sage Journals - Sage Publications
B3
アマゾン
ResearchGate
