Higher Education Systems and Institutions, Bulgaria
Crossref DOI link: https://doi.org/10.1007/978-94-017-9553-1_565-1
Published Online: 2018-01-24
Published Print: 2018
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Boyadjieva, Pepka
Ilieva-Trichkova, Petya
License valid from 2018-01-01
Text and Data Mining valid from 2018-01-01
Chapter History
Received: 5 December 2017, 00:00:00
Accepted: 2 January 2018, 00:00:00
First Online: 24 January 2018