Content Provider
Directory of Open Access Journals: DOAJ Articles
7
Unknown
3
Vernadsky National Library of Ukraine: DSpace
3
Institutional repository of Ivano-Frankivsk National Technical University of Oil and Gas
2
Karazin Kharkiv National University: E-Journals
2
Periodicals of Lviv University
2
Scientific Periodicals of Ukraine (Ukrainian Research and Academic Network)
2
Economic forum (E-Journal)
1
Electrical Engineering and Power Engineering (EE&PE - E-Journal)
1
History of science and technology (Collection of scientific papers of the State University of Infrastructure and Technologies)
1
eSSPUIR - Electronic Sumy State Pedagogical University named after A. S. Makarenko Institutional Repository
1