Content Provider
MDPI Open Access Publishing
2
Canadian Science Publishing
1
Directory of Open Access Journals: DOAJ Articles
1
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
1
LSRC VL (Lithuanian Social Research Centre Virtual Library)
1
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
1
PubMed Central (PMC)
1