ScienceDirect
2000
ScienceDirect
2015
한국학술정보 (KISS)
2011-01-01 ~ 2011-12-31
DOAB Directory of Open Access Books
1945
Books at JSTOR: Open Access
1945
Project Muse Open Access ebooks
1945
ScienceDirect
2018
OAPEN (Open Access Publishing in European Networks)
2024
DOAB Directory of Open Access Books
2024
DOAB Directory of Open Access Books
2019
ScienceDirect
2012
OAPEN (Open Access Publishing in European Networks)
2024
OAPEN (Open Access Publishing in European Networks)
1982
DOAB Directory of Open Access Books
1982