Content Provider
Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences: GIEC OpenIR
5
North-West University, South Africa: Boloka (NWU-IR)
5
Açık Erişim@BUU (Bursa Uludağ Üniversitesi)
4
Technical University of Denmark: DTU Orbit
4
Digital.CSIC (Spanish National Research Council)
3
Helvia - Repositorio Institucional de la Universidad de Córdoba
3
BioMed Central
2
Directory of Open Access Journals: DOAJ Articles
2
Repositório Institucional Universidade Federal de São Carlos (RI UFSCar)
2
Universidade Federal da Bahia: Repositório Institucional da UFBA
2
Universidade Federal de Santa Catarina: Repositório Institucional da UFSC
2
Universidade Federal do Rio Grande do Sul (UFRGS): Lume
2
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
1
DRO - Deakin Research Online
1
DataCite Metadata Store (German National Library of Science and Technology)
1
Ghent University Academic Bibliography
1
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
1
LSRC VL (Lithuanian Social Research Centre Virtual Library)
1
Lund University Publications (LUP)
1
Repositorio Institucional Universidade da Integração Internacional da Lusofonia Afro-Brasileira
1
Repositorio Institucional de la Universidad Santo Tomás
1
ScholarWorks@UNIST (Ulsan National Institute of Science and Technology)
1
TechnoRep - Faculty of Technology and Metallurgy Repository
1
Theses Canada/Thèses Canada (Library and Archives Canada)
1
Universidad de Almería: Repositorio Institucional
1
Universidade Estadual Paulista São Paulo: Acervo Digital da UNESP / São Paulo State University
1
Universidade Estadual Paulista São Paulo: Repositório Institucional UNESP
1
Universitas Diponegoro: Undip E-Journal System (UEJS) Portal
1
University of New Hampshire: Scholars Repository
1
University of São Paulo: Digital Library of Theses and Dissertations
1
Université de Sherbrooke: Savoirs UdeS
1
Unknown
1